Downloadable worksheets for AQA GCSE Physics 4.2 Atoms and nuclear radiation, with answers included. Worksheets covering 4.2.1 Radioactive decay and nuclear radiation, 4.2.2 Nuclear equations, 4.2.3 Half-lives and the random nature of radioactive decay, and 4.2.4 Radioactive contamination, matched to the AQA GCSE Physics (8463) specification and suitable for Foundation and Higher tier. Print or work through on screen.