411 REFERENCE · Wikibooks
GCSE Science/Waves and Radiation
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
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