Mechanics: Motion -- Apple and the moon -- Projectiles -- Satellite motion and weightlessness -- Other orbits -- Newton's third law -- More about forces -- Momentum and impulse -- Energy -- Collisions -- Rotation -- Electricity and magnetism: Charge -- Electric fields -- Capacitors -- Electric currents -- Series and parallel -- Magnetic fields -- Permanent magnets -- Faraday induction -- Relativity -- Inductors -- AC and DC -- Maxwell's equations and light -- Quantum electrodynamics