A sealed, flexible packet of snacks is packed at sea level.
A climber carries the sealed packet in their backpack to the summit of a high mountain.
Explain what happens to the volume of the packet as the climber climbs to the summit of the mountain.
54 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids (physics only). Each one has a worked solution and a mark scheme showing where the marks go.