Explore key GCSE Physics topics, from energy and electricity to forces, waves and electromagnetism. Choose a topic area below, then select the lesson you want to study or revise.
Energy
Explore energy stores, transfers, efficiency, power and the resources used to meet our energy needs.
- Energy Store and systems
- Kinetic and potential energy stores
- Specific Heat Capacity
- Conservation of Energy and Power
- Reducing Unwanted Energy Transfers
- Efficiency
- Energy Resources and Their Uses
- Trends in Energy Resource Use
Electricity
Explore current, resistance, circuits, electrical power and how electricity is supplied to our homes.
- Current and Circuit Symbols
- Resistance and V = IR
- Resistance and I-V Characteristics
- Circuit Devices
- Series Circuits
- Parallel Circuits
- Investigating Resistance
- Electricity in the Home
- Power of Electrical Appliances
- More on Power
- The National Grid
Particle Model of Matter
Use the particle model to explain density, internal energy, changes of state and the behaviour of gases.
- The Particle Model and Motion in Gases
- Density of Materials
- Internal Energy and Changes of State
- Specific Latent Heat
Atomic Structure
Explore how our model of the atom developed and how radioactive decay, isotopes and nuclear equations are used in Physics.
- Developing the Model of the Atom
- Isotopes and Nuclear Radiation
- Nuclear Equations
- Half-life
- Irradiation and Contamination
Forces
Explore how forces affect objects, from motion and acceleration to elasticity, momentum and stopping distances.
- Contact and Non-Contact Forces
- Weight, Mass and Gravity
- Resultant Forces and Work Done
- Calculating Forces
- Forces and Elasticity
- Investigating Springs
- Distance, Displacement, Speed and Velocity
- Acceleration
- Distance-Time and Velocity-Time Graphs
- Terminal Velocity
- Newton’s First and Second Laws
- Inertia and Newton’s Third Law
- Investigating Motion
- Stopping Distances
- Reaction Times
- Momentum
Waves
Explore wave properties, electromagnetic radiation, refraction and the uses and risks of different parts of the spectrum.
- Transverse and Longitudinal Waves
- Experiments with Waves
- Wave Behaviour and Electromagnetic Waves
- Refraction
- Radio Waves
- EM Waves and Their Uses
- More Uses of EM Waves
- Investigating Infrared Radiation
- Dangers of Electromagnetic Waves
Magnetism and Electromagnetism
Explore magnetic fields, electromagnets and how forces on current-carrying wires are used in electric motors.
- Permanent and Induced Magnets
- Electromagnetism
- The Motor Effect
- Electric Motors