GCSE-readyPearson Edexcel International GCSE Physics (4PH1)
72 free lessons that follow the International GCSE specification topic by topic. Each lesson has short notes, a worked example and a quick check with instant marking.
International GCSE · Pearson Edexcel 4PH1
Getting started
4 lessons · about 56 minutes
1 Forces and motion
13 lessons · about 3 h 25 min
- Units, prefixes and vectors · video 14 min
- Speed, distance and time · video 15 min
- Acceleration and velocity-time graphs · video 17 min
- Forces, vectors and resultants · video 16 min
- Newton's laws and weight · video 17 min
- Core practical: force, mass and acceleration 16 min
- Falling objects and terminal velocity 15 min
- Stopping distances · video 15 min
- Springs, stretching and Hooke's law · video 15 min
- Core practical: stretching a spring 16 min
- Momentum · video 16 min
- Moments, levers and gears · video 15 min
- Centre of gravity and beams 16 min
2 Electricity
8 lessons · about 2 h
- Mains electricity and electrical safety 15 min
- Mains electricity and the plug · video 14 min
- Electrical energy and power · video 15 min
- Circuits, charge and current · video 15 min
- Series and parallel circuits · video 16 min
- Resistance and I-V graphs · video 16 min
- Core practical: I-V graphs, LDRs and thermistors 17 min
- Static electricity and electric fields · video 14 min
3 Waves
10 lessons · about 2 h 30 min
- Wave properties · video 15 min
- The wave equation · video 15 min
- The Doppler effect 13 min
- Waves at boundaries and refraction · video 15 min
- Core practical: refraction in a glass block 15 min
- The electromagnetic spectrum · video 15 min
- Uses and dangers of EM waves · video 15 min
- Refractive index 16 min
- Critical angle and total internal reflection 15 min
- Sound: speed, pitch and loudness 16 min
4 Energy resources and energy transfers
10 lessons · about 2 h 30 min
- Energy stores, KE and GPE · video 18 min
- Efficiency and Sankey diagrams 14 min
- Efficiency and wasted energy · video 14 min
- Conduction and convection 15 min
- Thermal radiation and insulation 15 min
- Core practical: thermal radiation and the Earth's temperature 16 min
- Energy diagrams, thermal conductivity and insulation 15 min
- Work, power and energy transfers · video 15 min
- Energy resources · video 14 min
- Generating electricity 16 min
5 Solids, liquids and gases
9 lessons · about 2 h 20 min
- Density and states of matter · video 15 min
- Core practical: densities of solids and liquids 16 min
- Pressure in fluids and upthrust · video 15 min
- Particles and changes of state 15 min
- Specific heat capacity and latent heat · video 16 min
- Core practical: specific heat capacity and melting ice 17 min
- Gas pressure and temperature · video 15 min
- Gas molecules, absolute zero and the Kelvin scale 15 min
- The gas laws 16 min
6 Magnetism and electromagnetism
7 lessons · about 1 h 50 min
- Magnets, magnetic materials and fields 15 min
- Magnets and magnetic fields · video 14 min
- Electromagnets and field patterns 16 min
- The motor effect · video 15 min
- Electromagnetic induction and transformers · video 16 min
- Generators, dynamos, microphones and loudspeakers 16 min
- Transformers and the transmission of electricity 17 min