Downloadable worksheets for AQA GCSE Physics 3.2 Internal energy and energy transfers, with answers included. Worksheets covering 3.2.1 Internal energy, 3.2.2 Temperature changes in a system and specific heat capacity, and 3.2.3 Changes of state and specific latent heat, matched to the AQA GCSE Physics (8463) specification and suitable for Foundation and Higher tier. Print or work through on screen.