GCSE Science/Waves and Radiation

GCSE Science/Waves
 * Properties of waves
 * Light Waves
 * The Critical angle and TIR
 * Lenses
 * Electromagnetic waves
 * Sound waves
 * Analogue and digital signals
 * Seismic waves

GCSE Science/Radioactivity
 * Structure of the atom
 * Radioactive substances
 * Properties and effects of radioactive substances
 * Uses of radioactivity
 * Radioactive decay
 * Nuclear Fission