A group of climbers walk from sea level to the summit of a high mountain.
Describe a simple model of the Earth's atmosphere.
Explain why atmospheric pressure decreases as the height above the Earth's surface increases.
41 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.