Helpful revision notes for Edexcel International GCSE Physics (9-1)

IGCSE Physics 4PH1 specification - syllabus

Indexes to help links for all GCSE and IGCSE science courses


Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus


Energy resources, energy transfers, work done & electrical power supply

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

Types of energy & stores - examples compared/explained, calculations of mechanical work done & power

Chemical energy stores  * Elastic potential energy stores and calculations 

Electrical & electrostatic energy stores  *  Gravitational potential energy and calculations 

Kinetic energy stores and calculations  *  Nuclear energy store

Thermal energy stores  *  Light energy  * Sound energy  * Magnetic energy stores

Conservation of energy, energy transfers-conversions, efficiency - calculations and Sankey diagrams

See also Methods of reducing heat transfer eg in a house, insulating properties of materials

Energy resources: uses, survey, trends, comparing renewables, non-renewables, generating electricity

Renewable energy (1) Wind power and solar power, advantages and disadvantages

Renewable energy (2) Hydroelectric power and geothermal power, advantages and disadvantages

Renewable energy (3) Wave power and tidal barrage power, advantages and disadvantages

See also Renewable energy - biomass - biofuels & alternative fuels, hydrogen, biogas, biodiesel

Greenhouse effect, global warming, climate change, carbon footprint from fossil fuel burning

Absorption & emission of radiation - temperature & surface factors including global warming

The Usefulness of Electricity

and The 'National Grid' power supply, mention of small scale supplies, transformers


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Heat Transfer: Explaining physical changes & physical properties using particle models

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

Much of this is to do with thermal energy ('heat') transfers from one store to another

Introduction to heat transfer - conduction (and thermal conductivity), convection and radiation

Specific heat capacity: how to determine it, use of data, calculations and thermal energy stores

Energy transfer and efficiency - calculations and Sankey diagrams

More on reducing heat transfer eg in a house and investigating insulating properties of materials

Particle theory models: gases, liquid, solid, internal energy, heat transfer in state changes, latent heat

The density of materials (including measurements) and the particle model of matter


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Electricity and magnetism revision notes index

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

1. Usefulness of electricity, safety, energy transfer, cost & power calculations, P = IV = I2R, E = Pt, E=IVt

2. Electrical circuits and how to draw them, circuit symbols, parallel circuits and series circuits explained

3. Ohm's Law, experimental investigations of resistance, I-V graphs, calculations V = IR, Q = It, E = QV

4. Circuit devices and how are they used? (e.g. thermistor, LDR, diode), relevant graphs

5. More on series and parallel circuits, circuit diagrams, measurements and calculations

6. The 'National Grid' power supply, environmental issues, use of transformers

7. Comparison of methods of generating electricity

8. Static electricity and electric fields, uses and dangers of static electricity

9. Magnetism - magnetic materials - temporary (induced) and permanent magnets - uses

10. Electromagnetism, solenoid coils, uses of electromagnets

11. Motor effect of an electric current, electric motor, loudspeaker, Fleming's left-hand rule, F = BIL

12. Generator effect, applications e.g. generators generating electricity and microphone


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States of matter, state changes and gas laws revision notes index

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

Particle models of gases–liquids–solids, explaining properties, state changes (GCSE chemistry notes)

Particle theory models, internal energy, heat transfer in state changes and latent heat and particle motion in gases and gas pressure (written more from a 'physics' point of view)

P-V-T pressure-volume-temperature gas laws and calculations (revision notes for physicists or chemists!)

The density of materials and the particle model of matter


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WAVES - electromagnetic radiation, sound, optics-lenses, light & astronomy

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

General introduction to the types and properties of waves, ripple tank expts, how to do wave calculations

Illuminated & self-luminous objects, reflection visible light, ray box experiments, ray diagrams, mirror uses

Refraction and diffraction, the visible light spectrum, prism investigations, ray diagrams explained

Electromagnetic spectrum, sources, types, properties, uses (including medical) and dangers

Absorption & emission of radiation by materials - temperature & surface factors including global warming

See also Global warming, climate change, reducing our carbon footprint from fossil fuel burning

Optics - types of lenses (convex, concave, uses), experiments and ray diagrams, correction of eye defects

The visible spectrum of colour, light filters and explaining the colour of objects

Sound waves, properties explained, speed measure, uses of sound, ultrasound, infrasound, earthquakes

The Structure of the Earth, crust, mantle, core and earthquake waves (seismic wave analysis)

Astronomy - solar system, stars, galaxies and use of telescopes and satellites

The life cycle of stars - mainly worked out from emitted electromagnetic radiation

Cosmology - the Big Bang Theory of the Universe, the red-shift & microwave background radiation


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Atomic structure, radioactivity, ionising radiation - properties and uses

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

Atomic structure, history, definitions, examples and explanations including isotopes

1. Atomic structure and fundamental particle knowledge needed to understand radioactivity

2. What is Radioactivity? Why does it happen? Three types of atomic-nuclear-ionising radiation

3. Detection of radioactivity, its measurement and radiation dose units, ionising radiation sources - radioactive materials, background radiation

4. Alpha, beta & gamma radiation - properties of 3 types of radioactive nuclear emission & symbols ,dangers of radioactive emissions - health and safety issues and ionising radiation

5. Uses of radioactive isotopes emitting alpha, beta (+/–) or gamma radiation in industry and medicine

6. The half-life of a radioisotope - how long does material remain radioactive? implications!, uses of decay data and half-life values - archaeological radiocarbon dating, dating ancient rocks

7. What actually happens to the nucleus in alpha and beta radioactive decay and why? nuclear equations!, the production of radioisotopes - artificial sources of radioactive-isotopes, cyclotron

8. Nuclear fusion reactions and the formation of 'heavy elements' by bombardment techniques

9. Nuclear Fission Reactions, nuclear power as an energy resource


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Forces

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

1. What are contact forces & non-contact forces?, scalar & vector quantities, free body force diagrams

2. Mass and the effect of gravity force on it - weight, (mention of work done, GPE and circular motion)

3. Calculating resultant forces using vector diagrams and work done calculations

4. Elasticity and energy stored in a spring

5. Turning forces & moments - spanners to wheelbarrows, levers, gears & equilibrium situations

6. Pressure in liquid fluids and hydraulic systems

7. Pressure & upthrust in liquids, why do objects float/sink?, variation of atmospheric pressure with height


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Motion and associated forces (including Newton's Laws of Motion)

Revision help notes for the Edexcel International GCSE Physics (9-1) IGCSE Physics 4PH1 specification - syllabus exam paper

1. Speed and velocity - the relationship between distance and time, distance-time graphs

2. Acceleration, velocity-time graph interpretation and calculations, problem solving

3. Acceleration, friction, drag effects and terminal velocity experiments

4. Newton's First, Second and Third Laws of Motion, inertia and F = ma calculations

5. Reaction times, stopping distances, safety aspects. calculations including F=ma

6. Elastic and non-elastic collisions, momentum calculations and Newton's 2nd law of motion


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Helpful revision notes for Edexcel International GCSE Physics (9-1)

IGCSE Physics 4PH1 specification - syllabus

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