A plastic bottle containing only air is sealed at the top of a mountain. It is then carried down to sea level. The bottle is crushed inwards as it is carried down. Which statement explains why?
The atmospheric pressure outside the bottle rises as it descends
The atmospheric pressure outside the bottle falls as it descends
The weight of the air inside the bottle rises as it descends
The temperature of the air inside the bottle falls as it descends
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.