KS3 science practice exam questions on environment, Earth & universe for AQA, Edexcel & OCR KS3 science courses

The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the new moon phase? [7L-1]
1. moon position 1
2. moon position 5
3. moon position 2
4. moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waxing crescent phase? [7L-2]
1. moon position 4
2. moon position 2
3. moon position 6
4. moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the first quarter phase? [7L-3]
1. moon position 7
2. moon position 4
3. moon position 3
4. moon position 6
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waxing gibbous phase? [7L-4]
1. moon position 6
2. moon position 2
3. moon position 8
4. moon position 4
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the full moon phase? [7L-5]
1. moon position 5
2. moon position 1
3. moon position 2
4. moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waning gibbous phase? [7L-6]
1. moon position 2
2. moon position 6
3. moon position 4
4. moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the last quarter phase? [7L-7]
1. moon position 1
2. moon position 3
3. moon position 7
4. moon position 5
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waning crescent phase? [7L-8]
1. moon position 2
2. moon position 4
3. moon position 6
4. moon position 8
Which matches the time it takes for the Earth to orbit the Sun once? [7L-9]
1. 365 days
2. 28 days
3. 24 hours
4. 12 hours
Which matches the time it takes for the Moon to orbit the Earth once? [7L-10]
1. 365 days
2. 28 days
3. 24 hours
4. 12 hours
Which matches the time it takes for the Earth to spin round once on its axis? [7L-11]
1. 365 days
2. 28 days
3. 24 hours
4. 12 hours
Which matches the length of daylight on the equator? [7L-12]
1. 365 days
2. 28 days
3. 24 hours
4. 12 hours
Which matches the time it takes for the Earth to orbit the Sun once? [7L-13]
1. year
2. month
3. day
4. half a day
Which matches the approximate time it takes for the Moon to orbit the Earth once? [7L-14]
1. year
2. month
3. day
4. half a day
Which matches the time it takes for the Earth to spin round once on its axis? [7L-15]
1. year
2. month
3. day
4. half a day
Which matches the length of night-time on the equator? [7L-16]
1. year
2. month
3. day
4. half a day
Which planet is nearest the Sun? [7L-17]
1. Mercury
2. Venus
3. Mars
4. Saturn
Which planet is the 2nd in order from the Sun? [7L-18]
1. Mercury
2. Venus
3. Mars
4. Saturn
Which planet is the 3rd in order from the Sun? [7L-19]
1. Mars
2. Venus
3. Earth
4. Jupiter
Which planet is the 4th in order from the Sun? [7L-20]
1. Saturn
2. Venus
3. Earth
4. Mars
Which planet is the 5th in order from the Sun? [7L-21]
1. Jupiter
2. Neptune
3. Mars
4. Saturn
Which planet is the 6th in order from the Sun? [7L-22]
1. Venus
2. Saturn
3. Mars
4. Pluto
Which planet is the 7th in order from the Sun? [7L-23]
1. Mars
2. Venus
3. Uranus
4. Pluto
Which planet is the 8th in order from the Sun? [7L-24]
1. Mars
2. Saturn
3. Pluto
4. Neptune
Which planet is the farthest from the Sun? [7L-25]
1. Pluto
2. Venus
3. Mars
4. Neptune
Why is Pluto the coldest planet? [7L-26]
1. it is the smallest radius planet
2. it is furthest from the Sun
3. it has the smallest mass
4. it has the longest year
Why is there no liquid water on Mercury or Venus? [7L-27]
1. they rotate too fast
2. their total daylight hours is too long
3. they are too hot
4. they are too cold
Why is there no liquid water on Mars or Pluto? [7L-28]
1. they rotate too fast
2. their total daylight hours is too long
3. they are too hot
4. they are too cold
Which position in the cycle corresponds to the Autumn season in the Northern Hemisphere? [7L-29]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Winter season in the Northern Hemisphere? [7L-30]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Spring season in the Northern Hemisphere? [7L-31]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Summer season in the Northern Hemisphere? [7L-32]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Spring season in the Southern Hemisphere? [7L-33]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Summer season in the Southern Hemisphere? [7L-34]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Autumn season in the Southern Hemisphere? [7L-35]
1. position 1
2. position 2
3. position 3
4. position 4
Which position in the cycle corresponds to the Winter season in the Southern Hemisphere? [7L-36]
1. position 1
2. position 2
3. position 3
4. position 4
Which of the following planets has the longest day? [7L-37]
1. Venus
2. Saturn
3. Mercury
4. Pluto
Which of the following planets has the shortest day? [7L-38]
1. Venus
2. Jupiter
3. Mercury
4. Pluto
Which of the following planets has the shortest year? [7L-39]
1. Venus
2. Saturn
3. Mercury
4. Pluto
Which of the following planets has the longest year? [7L-40]
1. Venus
2. Saturn
3. Mercury
4. Pluto
Which of the following planets has the day longer than the year!? [7L-41]
1. Venus
2. Saturn
3. Mercury
4. Pluto
Which explains why a planet has 'day' and 'night'? [7L-42]
1. the same side always faces the Sun
2. it rotates around a spin axis
3. the spin axis is tilted
4. it moves nearer to, or further from, the Sun
Which explains why a planet has 'seasons'? [7L-43]
1. the same side always faces the Sun
2. it rotates around a spin axis
3. the spin axis is tilted
4. it moves nearer to, or further from, the Sun
Which explains why Mars has 'seasons'? [7L-44]
1. it rotates around a spin axis
2. the same side always faces the Sun
3. it moves nearer to, or further from, the Sun
4. the spin axis is tilted
Which explains why Earth has 'day' and 'night'? [7L-45]
1. it rotates around a spin axis
2. the same side always faces the Sun
3. it moves nearer to, or further from, the Sun
4. the spin axis is tilted
Which is the path of an object moving around another in space? [7L-46]
1. constellation
2. orbit
3. asteroid
4. planet
Which is a rock moving around the Sun between the paths of Mars and Jupiter? [7L-47]
1. constellation
2. orbit
3. asteroid
4. eclipse
Which is a very large spinning object moving around a star? [7L-48]
1. constellation
2. orbit
3. asteroid
4. planet
Which is a recognisable pattern of stars? [7L-49]
1. constellation
2. orbit
3. asteroid
4. planet
Which is a mass of dust and ice going around the Sun? [7L-50]
1. constellation
2. comet
3. asteroid
4. planet
Which force keeps a planet moving around the Sun? [7L-51]
1. electrical
2. magnetic
3. gravitational
4. nuclear
Which explains why stars seem to move across the sky? [7L-52]
1. the same side of the Earth always faces the Sun
2. the Earth moves nearer to, or further from, the stars
3. the spin axis of the Earth is tilted
4. the Earth rotates around a spin axis
Which of the following is TRUE? [7L-53]
1. the Moon always appears to be the same size because it moves in circular orbit around the Earth
2. a lunar eclipse can occur when the Moon passes between the Sun and the Earth
3. a solar eclipse can occur when the Earth passes between the Sun and the Moon
4. the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-54]
1. the Moon always appears to be the same size because it moves at the same speed as the Earth
2. a lunar eclipse can occur when the Earth passes between the Moon and the Sun
3. a solar eclipse can occur when the Earth passes between the Sun and the Moon
4. the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-55]
1. the Moon always appears to be the same size because it moves at the same speed as the Earth
2. a lunar eclipse can occur when the Moon passes between the Sun and the Earth
3. a solar eclipse can occur when the Moon passes between the Earth and the Sun
4. the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-56]
1. the Moon always appears to be the same size because it moves at the same speed as the Earth
2. a lunar eclipse can occur when the Moon passes between the Sun and the Earth
3. a solar eclipse can occur when the Earth passes between the Sun and the Moon
4. the Moon is seen by light from the Sun being reflected
Which of the following is TRUE? [7L-57]
1. Neptune seems much brighter than Pluto because it is much bigger
2. Venus is a luminous object
3. Venus is very bright because it has a highly reflective surface
4. the Sun is a non-luminous object
Which of the following is TRUE? [7L-58]
1. Neptune seems much brighter than Pluto because it is much nearer the Sun
2. Venus is a non-luminous object
3. Venus is very bright because it is so hot
4. the Sun is a non-luminous object
Which of the following is TRUE? [7L-59]
1. Neptune seems much brighter than Pluto because it is much nearer the Sun
2. Venus is a luminous object
3. Venus is very bright because it is near the Sun
4. the Sun is a non-luminous object
Which of the following is TRUE? [7L-60]
1. Neptune seems much brighter than Pluto because it is much nearer the Sun
2. Venus is a highly reflective object
3. Venus is very bright because it is so hot
4. the Sun is a luminous object
Which pattern is generally TRUE the further a planet is from the Sun? [7L-61]
1. there are four smaller rocky ones, followed by four giant gas ones and then another small rocky one
2. it is less difficult to see with a telescope because its size increases
3. its speed gets faster with the increasing gravity pull of the Sun
4. its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-62]
1. its mass gets bigger and there is more gas than solid
2. it is more difficult to see with a telescope because it is further away
3. its speed gets faster with the increasing gravity pull of the Sun
4. its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-63]
1. its mass gets bigger and there is more gas than solid
2. it is less difficult to see with a telescope because its size increases
3. its speed gets slower with the decreasing gravity pull of the Sun
4. its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-64]
1. its mass gets bigger and there is more gas than solid
2. it is less difficult to see with a telescope because its size increases
3. its speed gets faster with the increasing gravity pull of the Sun
4. its year gets longer as the Sun's gravity pull decreases
Starting with the Earth at position 2 in the cycle, where will the Earth be in 3 months time? [7L-65]
1. position 3
2. position 4
3. position 1
4. position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 6 months time? [7L-66]
1. position 3
2. position 4
3. position 1
4. position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 9 months time? [7L-67]
1. position 3
2. position 4
3. position 1
4. position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 12 months time? [7L-68]
1. position 3
2. position 4
3. position 1
4. position 2
In which direction does the Sun rise? [7L-69]
1. East
2. West
3. South
4. North
In which direction does the Sun set? [7L-70]
1. East
2. West
3. South
4. North
In which direction is the Sun highest in the sky? [7L-71]
1. East
2. West
3. South
4. North
In which direction does a magnetic compass point? [7L-72]
1. East
2. West
3. South
4. North
How long is it likely to take for sunlight reflected off a satellite at night to reach your eyes? [7L-73]
1. 2/10000th of a second
2. 1.3 seconds
3. 8.5 minutes
4. 4.3 years
How long is it likely to take for sunlight reflected off the moon to reach your eyes? [7L-74]
1. 2/10000th of a second
2. 1.3 seconds
3. 8.5 minutes
4. 4.3 years
How long is it likely to take for light directly from our Sun to reach your eyes? [7L-75]
1. 2/10000th of a second
2. 1.3 seconds
3. 8.5 minutes
4. 4.3 years
How long is it likely to take for light from the next nearest star after the Sun to reach your eyes? [7L-76]
1. 2/10000th of a second
2. 1.3 seconds
3. 8.5 minutes
4. 4.3 years
At what time is the Sun highest in the sky?
1. 12 noon
2. 10 am
3. 2 pm
4. 12 midnight
Which of the following explains why the Sun seems to move across the sky? [7L-78]
1. the Earth goes around the Sun
2. the Earth revolves around a spin axis
3. the Earth's spin axis is tilted
4. the Earth moves nearer to and then further away from the Sun
From the point of view of plant growth, which is the best direction for a short narrow garden attached to a house to face? [7L-79]
1. East
2. West
3. South
4. North
From the point of view of plant growth, which is the worst direction for a short narrow garden attached to a house to face? [7L-80]
1. East
2. West
3. South
4. North
Which object is the Sun? [7L-81]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object is a comet? [7L-82]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object could be the Earth? [7L-83]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object is our Moon? [7L-84]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object could be Mars? [7L-85]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object could be an asteroid? [7L-86]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object is a star? [7L-87]
1. object U
2. object V
3. object X
4. object Y
5. object Z
Which object is a moon of a planet? [7L-88]
1. object U
2. object V
3. object X
4. object Y
5. object Z
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(1)__? [7L-89]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(2)__? [7L-9]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(3)__? [7L-91]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(4)__? [7L-92]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(5)__? [7L-93]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.

Which word is missing from __(6)__? [7L-94]
1. Moon
2. reflected
3. eclipse
4. Earth
5. Sun
6. dark
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(1)__? [7L-95]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(2)__? [7L-96]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(3)__? [7L-9]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(4)__? [7L-98]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(5)__? [7L-99]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.

Which word is missing from __(6)__? [7L-100]
1. luminous
2. light
3. solar
4. Sun
5. Moon
6. Earth
Which path is most likely to correspond to mid-winter? [7L-101]
1. path 1
2. path 2
3. path 3
Which path is most likely to correspond to midway between summer and winter (mid-autumn or mid-spring)? [7L-102]
1. path 1
2. path 2
3. path 3
Which path is most likely to correspond to mid-summer? [7L-103]
1. path 1
2. path 2
3. path 3
How long will it take for the Sun to move from points (2) to (3)? [7L-104]
1. 6 hours
2. 9 hours
3. 12 hours
4. 3 hours
How long will it take for the Sun to move from points (3) to (5)? [7L-105]
1. 6 hours
2. 9 hours
3. 12 hours
4. 3 hours
How long will it take for the Sun to move from points (4) to (7)? [7L-106]
1. 6 hours
2. 9 hours
3. 12 hours
4. 3 hours
How long will it take for the Sun to move from points (1) to (5)? [7L-107]
1. 6 hours
2. 9 hours
3. 12 hours
4. 3 hours
How many hours of daylight are likely for path 1 in mid-winter? [7L-108]
1. 6 hours
2. 3 hours
3. 10 hours
4. 8 hours
At what time is the Sun at point (2)? [7L-109]
1. 7am
2. 5am
3. 9am
4. 11am
At what time is the Sun at point (3)? [7L-110]
1. 8am
2. 10am
3. 12 noon
4. 6am
At what time is the Sun at point (5)? [7L-111]
1. 2pm
2. 6pm
3. 4pm
4. 8pm
At what time is the Sun at point (6)? [7L-112]
1. 9pm
2. 5pm
3. 3pm
4. 7pm
At what time does the Sun rise in mid-winter (path 1)? [7L-113]
1. 9am
2. 7am
3. 11am
4. 5am
At what time does the Sun set in mid-winter (path 1)? [7L-114]
1. 3pm
2. 5pm
3. 7pm
4. 4pm
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(1)__? [7L-115]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(2)__? [7L-116]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(3)__? [7L-117]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(4)__? [7L-118]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(5)__? [7L-119]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.

Which word is missing from __(6)__? [7L-120]
1. rises
2. east
3. sets
4. west
5. anticlockwise
6. clockwise
Which month corresponds to position 3 in the yearly cycle of the Earth? [7L-121]
1. March
2. June
3. September
4. December
Which month corresponds to position 4 in the yearly cycle of the Earth? [7L-122]
1. March
2. June
3. September
4. December
Which month corresponds to position 1 in the yearly cycle of the Earth? [7L-123]
1. March
2. June
3. September
4. December
Which month corresponds to position 2 in the yearly cycle of the Earth? [7L-124]
1. March
2. June
3. September
4. December
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to sunset at about 6pm? [7L-125]
1. point 1
2. point 2
3. point 6
4. point 8
5. point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 9pm and stars could be readily observed? [7L-126]
1. point 1
2. point 2
3. point 6
4. point 4
5. point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to 12 midnight? [7L-127]
1. point 7
2. point 2
3. point 3
4. point 4
5. point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 3am and stars could be readily observed? [7L-128]
1. point 7
2. point 2
3. point 3
4. point 4
5. point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to sunrise at about 6am? [7L-129]
1. point 1
2. point 2
3. point 3
4. point 5
5. point 4
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to daylight at about 9am? [7L-130]
1. point 6
2. point 7
3. point 8
4. point 4
5. point 3
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to 12 noon? [7L-131]
1. point 6
2. point 7
3. point 8
4. point 4
5. point 3
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 3pm in the afternoon? [7L-132]
1. point 6
2. point 7
3. point 8
4. point 4
5. point 3
Which word best matches the Sun? [7L-133]
1. star
2. moon
3. planet
4. solar system
5. galaxy
Which word best matches a large object orbiting a planet? [7L-134]
1. star
2. moon
3. planet
4. solar system
5. galaxy
Which word best matches a large object orbiting a star? [7L-135]
1. sun
2. moon
3. planet
4. solar system
5. galaxy
Which word best matches a sun and surrounding planets? [7L-136]
1. star
2. moon
3. planet
4. solar system
5. galaxy
Which word best matches a large collection of stars? [7L-137]
1. star
2. moon
3. planet
4. solar system
5. galaxy
Which word best matches a single object that naturally gives out light? [7L-138]
1. star
2. galaxy
3. planet
4. universe
5. artificial satellite
Which word best matches the Milky Way? [7L-139]
1. star
2. galaxy
3. planet
4. universe
5. artificial satellite
Which word best matches Pluto? [7L-140]
1. star
2. galaxy
3. planet
4. universe
5. artificial satellite
Which word best matches everything around? [7L-141]
1. star
2. galaxy
3. planet
4. universe
5. artificial satellite
Which word best matches sputnik 1 (the 1st)? [7L-142]
1. star
2. galaxy
3. planet
4. universe
5. artificial satellite
Which of the following is a unit of mass? [9j-1]
1. kg
2. N
3. N/Kg
4. km
Which of the following is a unit of weight? [9j-2]
1. kg
2. N
3. N/Kg
4. km
Which of the following is a unit of gravitational field strength? [9j-3]
1. kg
2. N
3. N/Kg
4. km
Which of the following is a unit of distance? [9j-4]
1. kg
2. N
3. N/Kg
4. km
Which of the following is a unit of mass? [9j-5]
1. kilogram
2. newton
3. newtons per kilogram
4. kilometre
Which of the following is a unit of weight? [9j-6]
1. kilogram
2. newton
3. newtons per kilogram
4. kilometre
Which of the following is a unit of gravitational field strength? [9j-7]
1. kilogram
2. newton
3. newtons per kilogram
4. kilometre
Which of the following is a unit of distance? [9j-8]
1. kilogram
2. newton
3. newtons per kilogram
4. kilometre
Which of the following is a unit of force? [9j-9]
1. N
2. kg
3. N/Kg
4. km
Which of the following is a unit of force? [9j-10]
1. kilogram
2. newton
3. newtons per kilogram
4. kilometre
Which of the following matches the word gravity? [9j-11]
1. a force of attraction between all objects
2. the amount of matter in an object
3. any 'pulling' force acting on an object
4. potential energy
Which of the following matches the word mass? [9j-12]
1. a force of attraction between all objects
2. the amount of matter in an object
3. the force of gravity acting on an object
4. potential energy
Which of the following matches the word weight? [9j-13]
1. a force of attraction between all objects
2. the amount of matter in an object
3. the force of gravity acting on an object
4. potential energy
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about ¹/₆th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-14]
1. the astronaut's weight on Earth is 68N
2. the astronaut's weight on the Moon is about 113N
3. the astronaut's mass is zero, half way to the moon
4. the astronaut's mass on the Moon is about 11.3kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about ¹/₆th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE?[9j-15]
1. the astronaut's weight on Earth is 680N
2. the astronaut's weight on the Moon is about 11.3N
3. the astronaut's mass is zero half way to the moon
4. the astronaut's mass on the Moon is about 11.3kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about ¹/₆th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-16]
1. the astronaut's weight on Earth is 68N
2. the astronaut's weight on the Moon is about 680N
3. the astronaut's mass is zero half way to the moon
4. the astronaut's mass on the Moon is 68kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about ¹/₆th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-17]
1. the astronaut's weight on Earth is 68N
2. the astronaut's mass on the Moon is about 113kg
3. the astronaut's weight is close to zero, two thirds of the way to the moon
4. the astronaut's mass on the Moon is about 11.3kg
Which is generally TRUE the further a planet is from the Sun? [9j-18]
1. its mass gets bigger
2. it is less difficult to see with a telescope
3. its speed gets faster
4. its year gets longer
Which pattern is generally TRUE the further a planet is from the Sun? [9j-19]
1. the mass gets bigger
2. it is less difficult to see with a telescope
3. its speed gets slower
4. the shorter its year
Which pattern is generally TRUE the further a planet is from the Sun? [9j-20]
1. the mass gets bigger
2. the year gets shorter
3. its speed gets faster
4. it is more difficult to see with a telescope
Which of the following forces keeps planets in orbit around the Sun? [9J-21]
1. gravity
2. magnetic
3. friction
4. electrical
Which force moves a compass needle? [9J-22]
1. gravity
2. magnetic
3. friction
4. electrical
Which force causes a meteorite to heat up when it enters the Earth's atmosphere? [9J-23]
1. gravity
2. magnetic
3. friction
4. electrical
Which force accelerates objects towards the Earth? [9J-2]
1. electrical
2. magnetic
3. friction
4. gravity
Which statement is FALSE about the force of gravitational attraction? [9J-25]
1. it is larger if the mass of an object is smaller
2. it decreases if the distance between objects increases
3. it happens between all objects
4. it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-26]
1. it is larger if the mass of an object is larger
2. it decreases if the distance between objects decreases
3. it happens between all objects
4. it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-27]
1. it is larger if the mass of an object is larger
2. it decreases if the distance between objects increases
3. it only happens between large objects
4. it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-28]
1. it is larger if the mass of an object is larger
2. it decreases if the distance between objects increases
3. it happens between all objects
4. it only acts around the surface of an object
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is TRUE about the use of artificial satellites? [9J-29]
1. they can monitor most of the Earth's weather systems
2. they can be used to find oil deposits deep underground
3. they cannot detect tsunami from the effects of an undersea earthquake
4. they cannot carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is TRUE about the use of artificial satellites? [9J-30]
1. they can be used to find oil deposits deep underground
2. they can detect tsunami from the effects of an undersea earthquake
3. they cannot monitor most of the Earth's weather systems
4. they cannot carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is TRUE about the use of artificial satellites? [9J-31]
1. they can be used to find water sources deep underground
2. they cannot monitor most of the Earth's weather systems
3. they can be put in orbit around other planets to study their surface
4. they cannot carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is TRUE about the use of artificial satellites? [9J-32]
1. they can be used to find water sources deep underground
2. they cannot monitor most of the Earth's weather systems
3. they cannot be put in orbit around other planets to study their surface
4. they can carry a telescope to study space beyond the solar system
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-33]
1. a new planet is most likely to be discovered by just making theoretical calculations
2. an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
3. information on the planets is becoming increasingly more detailed and more accurate
4. our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-34]
1. a new planet is most likely to be discovered by observing a solar system
2. an old theory about the origin of the Earth is most likely to be replaced by a new theory if old evidence is looked at again
3. information on the planets is becoming increasingly more detailed and more accurate
4. our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-35]
1. a new planet is most likely to be discovered by observing a solar system
2. an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
3. information on the planets is no longer becoming more detailed or more accurate
4. our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-36]
1. a new planet is most likely to be discovered by observing a solar system
2. an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
3. information on the planets is becoming increasingly more detailed and more accurate
4. our knowledge of the universe is not continuously increasing
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-37]
1. satellite 1 cannot accurately monitor all the Earth's surface
2. satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
3. the closer the satellite is to the Earth, the faster the orbit speed
4. for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-37]
1. satellite 1 can accurately monitor all the Earth's surface
2. satellite 2 cannot be orbited in a fixed position above the same point on the Earth's surface
3. the closer the satellite is to the Earth, the faster the orbit speed
4. for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-39]
1. satellite 1 can accurately monitor all the Earth's surface
2. satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
3. the closer the satellite is to the Earth, the slower the orbit speed
4. for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-40]
1. satellite 1 can accurately monitor all the Earth's surface
2. satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
3. the closer the satellite is to the Earth, the faster the orbit speed
4. for communications, satellites can only transmit radio and TV signals, but cannot receive them
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 2nd? [9J-41]
1. 200g hammer
2. 2g feather
3. 200g pool ball
4. 20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 4th? [9J-42]
1. 200g hammer
2. 2g feather
3. 200g pool ball
4. 20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 1st? [9J-43]
1. 200g hammer
2. 2g feather
3. 200g pool ball
4. 20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 3rd? [9J-44]
1. 200g hammer
2. 2g feather
3. 200g pool ball
4. 20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-45]
1. when an object falls to the surface of the Moon, the forces of gravity and magnetism affect the object
2. when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
3. objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
4. all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-46]
1. when an object falls to the surface of the Moon, only the force of gravity affects the object
2. when an object falls to the surface of the Earth, only the force of gravity affects the object
3. objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
4. all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-47]
1. when an object falls to the surface of the Moon, only the force of gravity affects the object
2. when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
3. objects fall faster on the Moon than on Earth because the Earth has an atmosphere which causes an opposing air-resistance force
4. all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-48]
1. when an object falls to the surface of the Moon, only the force of gravity affects the object
2. when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
3. objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
4. different objects fall in different times on the Moon because its gravity is weak compared to the Earth
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-49]
1. the best fair test of the effects of air resistance, would be to compare the fall of the hammer and the hollow plastic sphere
2. compared to Earth, all the objects would fall faster on Jupiter
3. different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
4. objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-50]
1. the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
2. compared to Earth, all the objects would fall slower on Jupiter with its thick atmosphere
3. different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
4. objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-51]
1. the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
2. compared to Earth, all the objects would fall faster on Jupiter
3. different objects fall at different speeds on the Earth due to the different effects of gravity on different masses
4. objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time. The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-52]
1. the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
2. compared to Earth, all the objects would fall faster on Jupiter
3. different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
4. objects like feathers, fall more slowly on Earth than most other objects, because they have a such a small mass
Which description corresponds to weathering? [8g-1]
1. breaking down rocks into smaller fragments
2. wearing away of a rock face
3. moving rock fragments by water, wind or glacier
4. settling out of rock grains or stones
Which description corresponds to erosion? [8g-2]
1. breaking down rocks into smaller fragments
2. wearing away of a rock face
3. moving rock fragments by water, wind or glacier
4. settling out of rock grains or stones
Which description corresponds to transportation? [8g-3]
1. breaking down rocks into smaller fragments
2. wearing away of a rock face
3. moving rock fragments by water, wind or glacier
4. settling out of rock grains or stones
Which description corresponds to sedimentation? [8g-4]
1. breaking down rocks into smaller fragments
2. wearing away of a rock face
3. moving rock fragments by water, wind or glacier
4. settling out of rock grains or stones
Which rock description is most likely to be that of the igneous rock granite? [8g-5]
1. larger crystals, many colours, close grained (non-porous), no fossils
2. usually white-grey-yellow, often fossils, porous
3. usually orange-red, porous, sometimes fossils
4. dark coloured, close grained, small crystals, no fossils
Which rock description is most likely to be that of the sedimentary rock limestone? [8g-6]
1. larger crystals, many colours, close grained (non-porous), no fossils
2. usually white-grey-yellow, often fossils, porous
3. usually orange-red, porous, sometimes fossils
4. dark coloured, close grained, small crystals, no fossils
Which rock description is most likely to be that of the sedimentary rock sandstone? [8g-7]
1. larger crystals, many colours, close grained (non-porous), no fossils
2. usually white-grey-yellow, often fossils, porous
3. usually orange-red, porous, sometimes fossils
4. dark coloured, close grained, small crystals, no fossils
Which rock description is most likely to be that of the volcanic igneous rock basalt? [8g-8]
1. larger crystals, many colours, close grained (non-porous), no fossils
2. usually white-grey-yellow, often fossils, porous
3. usually orange-red, porous, sometimes fossils
4. dark coloured, close grained, small crystals, no fossils
Which of these rocks will erode away the slowest? [8g-9]
1. granite
2. limestone
3. sandstone
4. marble
Which of these rocks will erode away the fastest? [8g-10]
1. granite
2. limestone
3. basalt
4. marble
Which of these rocks will erode away the slowest? [8g-11]
1. marble
2. limestone
3. basalt
4. sandstone
Which of these rocks will erode away the fastest? [8g-12]
1. marble
2. granite
3. basalt
4. sandstone
In general rocks can best be described as a? [8g-13]
1. mixture of minerals
2. mixture of elements
3. pure compound
4. pure element
In general rocks can best be described as a? [8g-14]
1. mixture of elements
2. mixture of compounds
3. pure compound
4. pure element
If a rock is carefully placed into water and a few bubbles are seen to rise to the surface. This means the rock is likely to be? [8g-15]
1. igneous
2. metamorphic
3. large grained and porous
4. fine grained and non-porous
If a rock is carefully placed into water, no bubbles are seen to rise to the surface. This means the rock is likely to be? [8g-16]
1. sedimentary
2. very old
3. large grained and porous
4. fine grained and non-porous
Which is TRUE about 'acidified' water acting on rocks? [8g-17]
1. it is an example of chemical weathering
2. peaty soil water does not cause weathering
3. granite is eroded faster than limestone
4. nearly neutral water will not weather rocks
Which is TRUE about 'acidified' water acting on rocks? [8g-18]
1. it is an example of physical weathering
2. peaty soil water readily causes weathering
3. granite is eroded faster than limestone
4. nearly neutral water will not weather rocks
Which is TRUE about 'acidified' water acting on rocks? [8g-19]
1. it is an example of physical weathering
2. peaty soil water does not cause weathering
3. limestone is eroded faster than basalt rock
4. nearly neutral water will not weather rocks
Which is TRUE about 'acidified' water acting on rocks? [8g-20]
1. it is an example of physical weathering
2. peaty soil water does not cause weathering
3. limestone is eroded slower than basalt rock
4. nearly neutral water can still weather rocks
[8g-21] Freezing water can weather rocks in winter. Put the following sequence in the correct order.
(1) water expands
(2) water freezes
(3) water runs into cracks
(4) rock is cracked further
1. (3) (2) (1) (4)
2. (2) (1) (4) (3)
3. (1) (2) (4) (3)
4. (3) (1) (2) (4)
[8g-22] Temperature changes can weather rocks. Put the following sequence in a possible correct order.
(1) rock expands
(2) rock cools down
(3) rock layers crack
(4) rock heats up
(5) rock contracts
1. (3) (2) (1) (4) (5)
2. (4) (1) (3) (2) (5)
3. (1) (2) (4) (5) (3)
4. (5) (3) (1) (2) (4)
Which statement is TRUE about weathering due to plant growth? [8g-23]
1. it is a chemical form of weathering
2. the water running of the leaves is more acid than rain
3. root growth in a crack can cause the rock to crack
4. there will be more weathering due to the plant in winter
A lump of basalt was weighed before and after dipping into water. The experiment was repeated with a lump of sandstone. The sandstone produced bubbles and gained significant weight. The basalt produced no bubbles and weighed about the same. What can you say from the experiment? [8g-24]
1. the sandstone removed the dissolved air from the water
2. the basalt is made of large crystals
3. the basalt is more dense than sandstone
4. the sandstone is more porous than basalt
A lump of basalt was weighed before and after dipping into water. The experiment was repeated with a lump of sandstone. The sandstone produced bubbles and gained significant weight. The basalt produced no bubbles and weighed about the same. What can you say from the experiment? [8g-25]
1. air in the sandstone was displaced by water
2. the basalt is made of large crystals
3. the basalt is more dense than sandstone
4. the basalt is more porous than sandstone
A lump of basalt was weighed before and after dipping into water. The experiment was repeated with a lump of sandstone. The sandstone produced bubbles and gained significant weight. The basalt produced no bubbles and weighed about the same. What can you say from the experiment? [8g-26]
1. dissolved air in the water was absorbed by the basalt
2. the basalt is made of fine crystal grains with little space between them
3. the sandstone is more dense than basalt even though they both sink
4. the basalt is more porous than sandstone
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-27]
1. it takes less energy to move bigger rocks because they have a bigger surface area
2. more deposition happens when the flow is faster
3. the further the rocks are transported, the smaller and rounder they become
4. larger rocks are transported further than smaller rock grains
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-28]
1. it takes less energy to move bigger rocks because they have a bigger surface area
2. more deposition happens when the flow is faster
3. the further the rocks are transported, the smaller and more rougher they become
4. smaller rock grains are transported further than larger rocks
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-29]
1. it takes less energy to move smaller rocks
2. more deposition happens when the flow is faster
3. the further the rocks are transported, the smaller and rougher they become
4. larger rocks are transported further than smaller rock grains
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-30]
1. it takes more energy to move smaller rocks with a smaller surface area
2. more deposition happens when the flow is slower
3. the further the rocks are transported, the smaller and rougher they become
4. larger rocks are transported further than smaller rock grains
Which is TRUE about glaciers? [8g-31]
1. they consist of pure frozen water
2. they cannot move rocks without crushing them
3. they leave deep scars in rocks
4. they cause little erosion
Which is TRUE about glaciers? [8g-32]
1. they consist of pure frozen water
2. they cannot move rocks without crushing them
3. the ice is not hard enough to leave deep scars in rocks
4. they cause massive erosion
Which is TRUE about glaciers? [8g-33]
1. they consist of a mixture of ice, water and rock fragments
2. they cannot move rocks without crushing them
3. the ice is not hard enough to leave deep scars in rocks
4. they cause little erosion
Which is TRUE about glaciers? [8g-34]
1. they consist of a pure frozen water
2. they crush rocks and transport the fragments
3. the ice is not hard enough to leave deep scars in rocks
4. they cause little erosion
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-35]
1. larger rocks are transported further than smaller rock grains
2. less deposition happens when the flow is slow
3. larger rock fragments settle out faster than smaller grains
4. there is a wide range of rock grain size when deposition happens
Eroded rock material is often transported by flowing water. Which of the following statement is TRUE about this process? [8g-36]
1. larger rocks are transported further than smaller rock grains
2. less deposition happens when the flow is slow
3. smaller rock fragments settle out faster than larger grains
4. a similar range of rock grain size deposit in the same place
Which statement is TRUE about fossils? [8g-37]
1. they can be used to date rock formations
2. they tell us little about evolution of animal species
3. the deeper a fossil is the more recent it is
4. they cannot provide evidence for 'continental drift'
Which statement is TRUE about fossils? [8g-38]
1. they cannot be used to date rock formations
2. they tell us much about the evolution of animal species
3. the deeper a fossil is the more recent it is
4. they cannot provide evidence for 'continental drift'
Which statement is TRUE about fossils? [8g-39]
1. they cannot be used to date rock formations
2. they tell us little about evolution of animal species
3. the deeper a fossil is the older it is
4. they cannot provide evidence for 'continental drift'
Which statement is TRUE about fossils? [8g-40]
1. they cannot be used to date rock formations
2. they tell us little about evolution of animal species
3. the deeper a fossil is the more recent it is
4. they can provide evidence for 'continental drift'
Which is TRUE about rock formations? [8g-41]
1. sharp boundaries occur in rock formations when there is a time interval between deposition of sediments
2. you cannot get rock formations from the evaporation of seas
3. you cannot get rock formations from plant remains
4. the deeper a layer of rock the younger it is
Which is TRUE about rock formations? [8g-42]
1. sharp boundaries occur in rock formations when there is continuous deposition of sediment
2. you can get rock formations from the evaporation of seas
3. you cannot get rock formations from plant remains
4. the deeper a layer of rock the younger it is
Which is TRUE about rock formations? [8g-43]
1. sharp boundaries occur in rock formations when there is continuous deposition of sediment
2. you cannot get rock formations from the evaporation of seas
3. you can get rock formations from plant remains
4. the deeper a layer of rock the younger it is
Which is TRUE about rock formations? [8g-44]
1. sharp boundaries occur in rock formations when there is continuous deposition of sediment
2. you cannot get rock formations from the evaporation of seas
3. you cannot get rock formations from plant remains
4. the deeper a layer of rock the older it is
Which is TRUE about glaciers? [8g-45]
1. they can move rocks without crushing them
2. they consist of a pure ice or water
3. the ice is not hard enough to leave deep scars in rocks
4. they cause little erosion
Which part of the diagram corresponds to where sedimentary rocks are most likely to form? [8h-1]
1. part [ e ]
2. part [ l ]
3. part [ k ]
4. part [ g ]
Which part of the diagram corresponds to where sedimentation is most likely to take place? [8h-2]
1. part [ e ]
2. part [ h ]
3. part [ k ]
4. part [ g ]
Which part of the diagram corresponds to where transportation of eroded rock material is most likely to take place? [8h-3]
1. part [ k ]
2. part [ e ]
3. part [ f ]
4. part [ l ]
Which part of the diagram corresponds to where igneous rocks with small crystals are most likely to be formed? [8h-4]
1. part [ m ]
2. part [ e ]
3. part [ l ]
4. part [ k ]
Which part of the diagram corresponds to where metamorphic rocks are most likely to be formed? [8h-5]
1. part [ m ]
2. part [ h ]
3. part [ f ]
4. part [ k ]
Which part of the diagram corresponds to where weathering and erosion are most likely to take place? [8h-6]
1. part [ m ]
2. part [ g ]
3. part [ h ]
4. part [ k ]
Which part of the diagram corresponds to a source of magma? [8h-7]
1. part [ m ]
2. part [ e ]
3. part [ n ]
4. part [ h ]
Which part of the diagram corresponds to where igneous rocks with large crystals will form? [8h-8]
1. part [ m ]
2. part [ e ]
3. part [ g ]
4. part [ l ]
Which part of the diagram corresponds to a where the igneous rock basalt might form? [8h-9]
1. part [ k ]
2. part [ e ]
3. part [ n ]
4. part [ l ]
Which part of the diagram corresponds to a where the igneous rock granite might form? [8h-10]
1. part [ k ]
2. part [ l ]
3. part [ e ]
4. part [ h ]
Which part of the diagram corresponds to a where sandstone might form? [8h-11]
1. part [ k ]
2. part [ l ]
3. part [ e ]
4. part [ h ]
Which part of the diagram corresponds to a where marble might form? [8h-12]
1. part [ k ]
2. part [ f ]
3. part [ h ]
4. part [ m ]
Which part of the diagram corresponds to a where limestone might form? [8h-13]
1. part [ e ]
2. part [ f ]
3. part [ k ]
4. part [ m ]
Which part of the diagram corresponds to a where the metamorphic rock slate might form? [8h-14]
1. part [ h ]
2. part [ m ]
3. part [ f ]
4. part [ g ]
Which part of the diagram corresponds to a where fossil formation might start? [8h-15]
1. part [ l ]
2. part [ m ]
3. part [ h ]
4. part [ g ]
Which part of the diagram corresponds to a where fossils are most likely to be destroyed? [8h-16]
1. part [ l ]
2. part [ k ]
3. part [ h ]
4. part [ n ]
Which sequence most closely describes process E? [8h-17]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. weathering, erosion, burial, melting, cooling
Which sequence most closely describes process F? [8h-18]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. weathering, erosion, burial, heating, cooling
Which sequences most closely describes process G? [8h-19]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. burial, pressure, heating, cooling
Which sequence most closely describes process J? [8h-20]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. burial, pressure, cooling, recrystallisation
Which sequence most closely describes process H? [8h-21]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. burial, pressure, cementation, recrystallisation
Which sequence most closely describes process K? [8h-22]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. weathering, erosion, transportation, deposition, burial, pressure, cementation
4. burial, pressure, cementation, recrystallisation
Which sequence most closely describes the process of forming sandstone? [8h-23]
1. burial, melting, cooling
2. may involve burial first, heat and/or pressure, recrystallisation without melting
3. burial, pressure, cementation, recrystallisation
4. weathering, erosion, transportation, deposition, burial, pressure, cementation
Which is TRUE about sedimentary rocks? [8h-24]
1. not usually porous
2. never contain fossils
3. consist of layers called magma
4. grains are glued together by salt residues
Which is TRUE about sedimentary rocks? [8h-25]
1. usually porous
2. never contain fossils
3. consist of layers called magma
4. grains are glued together with water
Which is TRUE about sedimentary rocks? [8h-26]
1. usually non-porous
2. often contain fossils
3. consist of layers called magma
4. grains are glued together with water
Which is TRUE about sedimentary rocks? [8h-27]
1. usually non-porous
2. never contain fossils
3. consist of layers called strata
4. grains are glued together with water
Which is TRUE about sedimentary rocks? [8h-28]
1. usually non-porous
2. never contain fossils
3. consist of layers called magma
4. usually consist of large grains
Which is TRUE about sedimentary rocks? [8h-29]
1. softish, easily weathered, particularly by acid rain
2. never contain fossils
3. consist of layers called magma
4. usually consist of microscopic grains
Which is TRUE about sedimentary rocks? [8h-30]
1. hard wearing, not easily weathered, even by acid rain
2. the red of sandstone is usually due to iron compounds
3. limestone consists of sulphate minerals
4. sandstone fizzes a lot with acid
Which is TRUE about sedimentary rocks? [8h-31]
1. hard wearing, not easily weathered, even by acid rain
2. the red of sandstone is usually due to calcium compounds
3. limestone is made of carbonate minerals
4. limestone does not readily fizz with acid
Which is TRUE about sedimentary rocks? [8h-32]
1. hard wearing, not easily weathered, even by acid rain
2. the red of sandstone is usually due to calcium compounds
3. limestone is made of nitrate minerals
4. limestone readily fizzes with acid
Which is TRUE about metamorphic rocks? [8h-33]
1. formed by heat and pressure on rocks
2. very porous
3. crystals usually jumbled
4. usually contain fossils
Which is TRUE about metamorphic rocks? [8h-34]
1. formed by heat and pressure on magma
2. not very porous
3. crystals usually jumbled
4. usually contain fossils
Which is TRUE about metamorphic rocks? [8h-35]
1. formed by heat and pressure on magma
2. very porous
3. crystals tend to aligned in layers
4. usually contain fossils
Which is TRUE about metamorphic rocks? [8h-36]
1. formed by heat and pressure on lava
2. very porous
3. crystals tend to very jumbled
4. rarely contain fossils
Which is TRUE about igneous rocks? [8h-37]
1. formed from cooled magma
2. slow cooling of lava makes small crystal grains
3. fast cooling of lava makes big crystal grains
4. soft and readily weathered
Which is TRUE about igneous rocks? [8h-38]
1. formed from the effects of heat and pressure on sedimentary rocks
2. slow cooling of lava makes big crystal grains
3. slow cooling of lava underground makes pumice stone
4. soft and readily weathered
Which is TRUE about igneous rocks? [8h-39]
1. formed from the effects of heat and pressure on metamorphic rocks
2. fast cooling of lava underground makes pumice stone
3. fast cooling of lava makes small crystal grains
4. soft and readily weathered
Which is TRUE about igneous rocks? [8h-40]
1. formed from the effects of heat and pressure on metamorphic rocks
2. slow cooling of lava underground makes pumice stone
3. formed from the effects of heat and pressure on sedimentary rocks
4. hard and not easily weathered
Which of the following is a sedimentary rock? [8h-41]
1. limestone
2. slate
3. basalt
4. schist
Which is a very weather resistant metamorphic rock? [8h-42]
1. limestone
2. slate
3. sandstone
4. shale
Which is an igneous rock formed from fast cooling lava pouring out into seawater? [8h-43]
1. limestone
2. slate
3. basalt
4. shale
Which is a sedimentary rock? [8h-44]
1. marble
2. slate
3. basalt
4. shale
Which is a metamorphic rock formed from the action of heat and pressure on limestone? [8h-45]
1. marble
2. granite
3. basalt
4. shale
Which is an igneous rock formed from molten magma cooling slowly in the Earth's crust? [8h-46]
1. marble
2. granite
3. mudstone
4. schist
Which is a sedimentary rock? [8h-47]
1. marble
2. granite
3. mudstone
4. schist
Which is a metamorphic rock? [8h-48]
1. basalt
2. granite
3. mudstone
4. schist
Which is a sedimentary rock formed from eroded rock particles? [8h-49]
1. granite
2. marble
3. basalt
4. sandstone
Which describes the formation of a igneous rock? [8h-50]
1. molten magma or lava from deep in the Earth cooling in air, water or underground, to form new solid rock
2. weathered and eroded rock is transported by water or wind, and then deposited, buried and compressed in the Earth's crust
3. heat and pressure acting on a rock that already exists, often deep in the Earth's crust
Which describes the formation of a sedimentary rock? [8h-51]
1. molten magma or lava from deep in the Earth cooling in air, water or underground, to form new solid rock
2. weathered and eroded rock is transported by water or wind, and then deposited, buried and compressed in the Earth's crust
3. heat and pressure acting on a rock that already exists, often deep in the Earth's crust
Which describes the formation of a metamorphic rock? [8h-52]
1. molten magma or lava from deep in the Earth cooling in air, water or underground, to form new solid rock
2. weathered and eroded rock is transported by water or wind, and then deposited, buried and compressed in the Earth's crust
3. heat and pressure acting on a rock that already exists, often deep in the Earth's crust
Which description most closely matches a typical igneous rock? [8h-53]
1. usually a non-porous hard wearing rock with a variety of crystal sizes, some only visible under a microscope, never contain fossils
2. not usually porous and often shows a crystalline structure of layers of grains, sometimes contains distorted fossils due to effect of heat and pressure
3. softish, porous or crumbly rock, usually made from compacted grains of mineral material and often containing fossils
Which description most closely matches a typical metamorphic rock? [8h-54]
1. usually a non-porous hard wearing rock with a variety of crystal sizes, some only visible under a microscope, never contain fossils
2. not usually porous and often shows a crystalline structure of layers of grains, sometimes contains distorted fossils due to effect of heat and pressure
3. softish, porous or crumbly rock, usually made from compacted grains of mineral material and often containing fossils
Which description most closely matches a typical sedimentary rock? [8h-55]
1. usually a non-porous hard wearing rock with a variety of crystal sizes, some only visible under a microscope, never contain fossils
2. not usually porous and often shows a crystalline structure of layers of grains, sometimes contains distorted fossils due to effect of heat and pressure
3. softish, porous or crumbly rock, usually made from compacted grains of mineral material and often containing fossils
Below is a series of steps that produces a sedimentary rock like sandstone, but the steps are in the wrong order.
(1) grains of rock moved by water
(2) water squeezed out and the rock grains stick together
(3) rocks are weathered and eroded
(4) layers of sediment buried and compressed
(5) grains of rock laid down as sediment
Which is the correct sequence to show the sedimentary rock formation? [8h-56]
1. (1) (3) (2) (5) (4)
2. (4) (5) (1) (3) (2)
3. (5) (4) (1) (2) (3)
4. (3) (1) (5) (4) (2)
Which is a sedimentary rock formed from the harder shelly or skeletal mineral remains of sea creatures? [8h-57]
1. limestone
2. slate
3. basalt
4. sandstone
Which statement is TRUE about soil? [9g-1]
1. sandy soil has larger rock particles and is well drained
2. clay soil has plenty of air in it and thriving with living organisms
3. plant roots tend to break up soil and cause erosion
4. humus is formed from fine rock particles and contains few nutrients
Which statement is TRUE about soil? [9g-2]
1. sandy soil has small rock particles and is poorly drained
2. clay soil has little air in it and few living organisms
3. plant roots tend to break up soil and cause erosion
4. humus is formed from fine rock particles and contains few nutrients
Which statement is TRUE about soil? [9g-3]
1. sandy soil has small rock particles and is poorly drained
2. clay soil has plenty of air in it and thriving with living organisms
3. plant roots tend to hold soil together and minimise erosion
4. humus is formed from fine rock particles and contains few nutrients
Which statement is TRUE about soil? [9g-4]
1. sandy soil has small rock particles and is poorly drained
2. clay soil has plenty of air in it and thriving with living organisms
3. plant roots tend to break up soil and cause erosion
4. humus is formed from organic material and is rich in nutrients
Which statement is TRUE about soil? [9g-5]
1. loam is a good soil which drains well and is rich in nutrients
2. organisms like worms help circulate water
3. most soils have a pH between 1 and 4
4. lime is used to treat soil that is too alkaline
Which statement is TRUE about soil? [9g-6]
1. loam is a poor soil which drains poorly and is low in nutrients
2. organisms like worms help circulate air
3. most soils have a pH between 1 and 4
4. lime is used to treat soil that is too alkaline
Which statement is TRUE about soil? [9g-7]
1. loam is a poor soil which drains poorly and is low in nutrients
2. organisms like worms help circulate water
3. most soils have a pH between 4.5 and 7.5
4. lime is used to treat soil that is too alkaline
Which statement is TRUE about soil? [9g-8]
1. loam is a poor soil which drains poorly and is low in nutrients
2. organisms like worms help circulate water
3. most soils have a pH between 7 and 12
4. lime is used to treat soil that is too acid
Which is TRUE about the weathering of buildings? [9g-9]
1. the growth of tree roots can cause considerable damage to buildings
2. porous stone does not weather easily due to rainwater quickly running off
3. styles over walls for walkers cause no erosion problems
4. the higher the pH of rain, the more erosion it causes
Which is TRUE about the weathering of buildings? [9g-10]
1. the growth of tree cannot cause damage to buildings
2. porous stone weathers easily due to absorbed rainwater
3. styles over walls for walkers cause no erosion problems
4. the higher the pH of rain, the more erosion it causes
TRUE about the weathering of buildings? [9g-11]
1. the growth of tree cannot cause damage to buildings
2. porous stone does not weather easily due to rainwater quickly running off
3. styles over walls for walkers can cause erosion problems
4. the higher the pH of rain, the more erosion it causes
TRUE about the weathering of buildings? [9g-12]
1. the growth of tree cannot cause damage to buildings
2. porous stone does not weather easily due to rainwater quickly running off
3. styles over walls for walkers cause no erosion problems
4. the lower the pH of rain, the more erosion it causes
Which of these is the main source of sulphur dioxide that causes acid rain? [9g-13]
1. burning fossil fuels
2. earthquake activity
3. nuclear power stations
4. severe electrical storms
Which of these is a source of sulphur dioxide which causes acid rain? [9g-14]
1. burning hydrogen fuel gas
2. volcanic activity
3. nuclear power stations
4. severe electrical storms
Which building material is least likely to be rapidly eroded by acid rain? [9g-15]
1. limestone
2. marble
3. granite
4. sandstone
Which building material is least likely to be rapidly eroded by acid rain? [9g-16]
1. limestone
2. sandstone
3. marble
4. slate
Which building material is likely to be the most rapidly eroded by acid rain? [9g-17]
1. limestone
2. granite
3. marble
4. slate
Which building material is most likely to be most rapidly eroded by acid rain? [9g-18]
1. granite
2. sandstone
3. marble
4. slate
Which is used for the rapid treatment of lakes which are to acid for most aquatic life? [9g-19]
1. sand grains
2. marble chips
3. powdered lime
4. peat
Which of these is a fossil fuel for power stations? [9g-20]
1. uranium
2. hydrogen
3. wood
4. coal
Which of these is a fossil fuel for power stations? [9g-21]
1. oil
2. hydrogen
3. wood
4. uranium
Which of these is a fossil fuel for power stations? [9g-22]
1. hydrogen
2. natural gas
3. wood
4. uranium
Which best describes the formation of a fossil fuel? [9g-23]
1. charred remains of plants or animals
2. partial oxidation decay of plant and animal remains
3. decay of buried plant or animal remains without the presence of oxygen
4. decay of plant or animal remains in soil
Which is a product from the complete combustion of a fossil fuel? [9g-24]
1. carbon monoxide
2. carbon
3. hydrogen
4. water
Which is a gaseous product formed from the complete combustion of a fossil fuel? [9g-25]
1. carbon dioxide
2. carbon
3. nitrogen
4. carbon monoxide
Which is a dark solid pollution product from the incomplete combustion of a fossil fuel? [9g-26]
1. carbon dioxide
2. carbon
3. water
4. nitrogen
Which is a pollution product from the incomplete combustion of a fossil fuel? [9g-27]
1. carbon dioxide
2. water
3. carbon monoxide
4. nitrogen
Which most likely provides evidence of global warming? [9g-28]
1. less rainfall in Northern Europe
2. increased fish stocks in the Atlantic Ocean
3. increased ice sheet area at the South Pole
4. thicker growth rings in trees of Northern Europe
Which most likely provides evidence of global warming? [9g-29]
1. increased drought in parts of Africa
2. decreased fish stocks of the Atlantic Ocean
3. increased ice sheet area at the South Pole
4. thinner growth rings in trees in Northern Europe
Which most likely provides evidence of global warming? [9g-30]
1. less rainfall in Northern Europe
2. a decrease in ice sheet area at the North Pole
3. an increase in fish stocks in the Pacific Ocean
4. thinner growth rings on trees in Northern Europe
Rainwater is naturally acidic due to dissolved? [9g-31]
1. oxygen
2. nitrogen
3. carbon dioxide
4. carbon monoxide
Which explains the importance of the ozone layer? [9g-32]
1. it reduces the amount of carbon dioxide in the lower atmosphere
2. it reduces the amount of carbon monoxide in the atmosphere of cities
3. it help maintains the amount of oxygen in the Earth's atmosphere
4. it reduces the amount of harmful ultraviolet radiation that reaches the Earth's surface
Which word equation corresponds to respiration? [9g-33]
1. glucose + oxygen ==> water + carbon dioxide
2. hydrocarbon + oxygen ==> water + carbon dioxide
3. water + carbon dioxide ==> glucose + oxygen
4. nitrogen + oxygen ==> nitrogen oxide
Which word equation corresponds to a fossil fuel combustion? [9g-34]
1. glucose + oxygen ==> water + carbon dioxide
2. hydrocarbon + oxygen ==> water + carbon dioxide
3. water + carbon dioxide ==> glucose + oxygen
4. carbon monoxide + nitrogen monoxide ==> carbon dioxide + nitrogen
Which word equation corresponds to photosynthesis? [9g-35]
1. glucose + oxygen ==> water + carbon dioxide
2. hydrocarbon + oxygen ==> water + carbon dioxide
3. water + carbon dioxide ==> glucose + oxygen
4. nitrogen + oxygen ==> nitrogen oxide
Which word equation corresponds to the formation of a toxic acidic gas when fossil fuels are burned? [9g-36]
1. coal + oxygen ==> water + carbon dioxide
2. hydrocarbon + oxygen ==> water + carbon dioxide
3. water + carbon dioxide ==> glucose + oxygen
4. nitrogen + oxygen ==> nitrogen dioxide
Rainwater always contains small amounts of the weakly acidic gas carbon dioxide dissolved from air. Which most likely describes what happens to the pH of rainwater when it runs over limestone rock? [9g-37]
1. the pH rises from 5.5 to 8
2. the pH falls from 5.5 to 3
3. the pH rises from 7 to 10
4. the pH falls from 7 to 7.5
Which harmful gas is reduced in car exhaust emissions by using a catalytic converter? [9g-38]
1. water
2. nitrogen oxide
3. carbon dioxide
4. nitrogen
Which harmful gas is reduced in car exhaust emissions by using a catalytic converter? [9g-39]
1. water
2. carbon dioxide
3. carbon monoxide
4. nitrogen
Which is used to treat soil which is too alkaline? [9g-40]
1. lime
2. marble
3. sand
4. peat
Which is used to treat soil which is too acid? [9g-41]
1. lime
2. marble
3. sand
4. peat
Which is believed to be the current main cause of the so-called 'Greenhouse Effect'? [9g-42]
1. increased volcanic activity
2. burning fossil fuels
3. reduction of the ozone layer
4. increase in cloud cover above the Earth
Which of the following explains the 'Greenhouse Effect'? [9g-43]
1. decrease in the ozone layer allows more heat radiation to reach the Earth's surface
2. increase in the ozone layer decreases the amount of ultraviolet radiation the reaches the Earth's surface
3. increase in carbon dioxide in the atmosphere traps more heat radiation from the Earth
4. decrease in carbon dioxide in the atmosphere traps more allows more ultraviolet radiation to reach the Earth's surface
Which of these causes a reduction in the ozone layer? [9g-44]
1. increased burning of fossil fuels
2. increased photochemical smog in cities
3. increased sea temperature due to global warming
4. increase in the use of chemicals in refrigerators and aerosol cans
What is another term for the 'Greenhouse Effect'? [9g-45]
1. global warming
2. ozone reduction
3. atmospheric acidification
4. smog production
Which of the following is a gas emitted from factories and power stations that causes acid rain? [9g-46]
1. nitrogen
2. sulphur dioxide
3. carbon monoxide
4. hydrogen
Which of the following 'phrases' describes how pollution is reduced in the exhaust of a motor vehicle? [9g-47]
1. 'auto ignition prevention'
2. 'high compression ratio'
3. 'catalytic converter'
4. 'electronic fuel injection'
Which of these is a power station fuel, which does not produce carbon dioxide that causes the 'Greenhouse Effect' or 'global warming'? [9g-20]
1. coal
2. oil
3. peat
4. uranium
Which is a harmless colourless liquid at room temperature, formed by the combustion of a fossil fuel? [9g-49]
1. water
2. carbon dioxide
3. nitrogen dioxide
4. carbon monoxide
Which is a harmless colourless gas at room temperature, formed by the combustion of a fossil fuel? [9g-50]
1. water
2. carbon dioxide
3. nitrogen dioxide
4. carbon monoxide
Which gas in the atmosphere most contributes to global warming? [9g-51]
1. carbon monoxide
2. nitrogen
3. carbon dioxide
4. hydrogen
Which most likely provides evidence of global warming? [9g-52]
1. thinner growth rings on trees in Northern Europe
2. less rainfall in Northern Europe
3. an increase in the ice sheets of Greenland
4. butterflies breeding in more northerly latitudes than before

KS3 science practice exam questions on environment, Earth & universe for AQA, Edexcel & OCR KS3 science courses

KS3 Science QUIZ on THE ENVIRONMENT, EARTH and UNIVERSE