Image85.gifgradu8doc.gifThe BIG KS3 Science-Chemistry crossword quiz on "Particle models of solids, liquids and gases"


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 (QCA 7G)
KS3 chemistry index * Crossword puzzle ANSWERS

Across:
1 Instrument for measuring temperature. (11)
5 This doesn't easily freeze and can be used in 1 across. (7)
6 This lowers the freezing point of water. (4)
10 Tthe surface change from liquid to gas. (11)
11 The particles are close together ,but they can still move around in this state. (6)
12 A word that means particles spreading around and mixing in liquids or gases, without shaking the mixture! (9)
13 Acronym for standard attainment target!
14 The particles are far apart and moving fast in a ? (3)
16 This happens to most materials on cooling. (9)
18 Another word for a gas that's easily condensed. (6) (maybe 5 in the US, sorry 6 in UK)
22 There is lots of this between particles in a gas. (5)
26 This happens when a liquid changes to a solid. Its brrrrr!!! (8)
28 This word sums up the movement of gas and liquid particles in all directions. (6)
30 The change in gas particle speed as they become cooler. (6)
31 The ? pattern of particles in a solid. (7)
33 Ice does this on water, very strange for a solid in its liquid! (5)
34 You must obtain this to test a theory in a scientific court! (8)
35 The particles are closest together in a ? (5)
36 You need this between sections of railway track, especially in the summer! (3)
37 This particle property changes with change in temperature. (5)
Down:
1 This value tells you how hot or cold a substance is. (11)
2 When a liquid changes to a gas fast to make tea! (7)
3 One way in which solids are different than gases or liquids, its an easy question really, not ? (4)
4 Melting, freezing, boiling etc. are all examples of a ? (5,6)
7 The individual bits of solids, liquids and gases. (9)
8 A gas is doing this when cooled to form a liquid. (10)
9 Solids and liquids are more ? than gases. (5)
15 This is very difficult to do with a solid to make a smaller volume. (8)
17 In terms of whether it is a gas, liquid or solid, its difficult to ? a cream cake! (8)
19 A solid ? on heating without melting. (7)
20 Particles move like this when heated! (6)
21 This is caused by gas particles hitting the side of a container. (8)
23 The sharp end of melting and boiling? (5)
24 The particles of a solid are under going this without causing a sound! and more so on heating! (9)
25 The partices in a liquid are all ? up! (7)
27 Ice thawing is an example of ? (7)
29 ? is a liquid that expands on solidifying, very unusual! (5)
32 A well known liquid fuel. (3)
33 The particles become ? to move around after melting? (4)

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