All of RADIOACTIVITY topic in 25 minutes! (GCSE Physics Paper 1)

Everything you need to know about the whole Radioactivity topic for AQA and other exam boards - updated for 2025 GCSEs. Please like and share if you find it helps you! #gcse #physics #aqa #revision #radioactivity #alpha #beta #gamma #halflife #atom #bohr #fission #fusion #nuclear #equations 00:00 Intro – the atom 00:50 Atomic models 01:48 Alpha scattering experiment 04:40 Bohr model 05:48 Isotopes 07:49 Radiation 09:10 Alpha, Beta, Gamma 11:07 Uses of radiation 12:15 Nuclear equations 14:40 Half life 15:41 HL calculations 20:08 Background radiation 22:06 Fission & Fusion