Downloadable worksheets for AQA GCSE Physics 3.3 Particle model and pressure, with answers included. Worksheets covering 3.3.1 Particle motion in gases, 3.3.2 Pressure in gases, and 3.3.3 Increasing the pressure of a gas (HT only), matched to the AQA GCSE Physics (8463) specification and suitable for Foundation and Higher tier. Print or work through on screen.