Practice by topic
Pick a topic to work through with instant feedback.
Energy & Work
Energy stores, transfers, GPE, KE, work done.
Electricity ā Circuits
Series/parallel, V=IR, power, IāV characteristics.
Static Electricity & Fields
Charging by friction, electric fields, forces.
Mains & National Grid
AC vs DC, transformers, frequency, voltage.
Particle Model & Gas Pressure
Particle motion, pressure, volume relationships.
States of Matter & Thermal
Specific & latent heat, internal energy.
Density
Mass, volume and the density equation.
Radioactivity
Decay, half-life, contamination, fission & fusion.
Forces & Motion
Moments, momentum, velocity-time graphs, stopping distance.
Waves
Transverse & longitudinal waves, wave speed, reflection, refraction.
Optics & EM Spectrum
Lenses, ray diagrams, colour, and the electromagnetic spectrum.
Magnetism
Permanent & induced magnets, magnetic fields, compasses and poles.
Electromagnetism
Solenoids, the motor effect, generators and transformers.
Astrophysics
Solar system, life cycle of stars, red shift, the Big Bang.
