A weather balloon filled with helium gas is released from the ground and rises high up into the atmosphere.
Which row in the table is correct as the weather balloon rises?
Gas pressure inside: Decreases | Volume: Decreases
Gas pressure inside: Decreases | Volume: Increases
Gas pressure inside: Increases | Volume: Decreases
Gas pressure inside: Increases | Volume: Increases
38 exam-style questions on Edexcel GCSE Physics 14.3 Gas pressure and temperature, covering 14.3.1 Gas pressure and particle motion, 14.3.2 Temperature and pressure at constant volume, 14.3.3 Absolute zero and the kelvin scale, 14.3.4 Compressing and expanding gases, 14.3.5 Volume and pressure at constant temperature, and 14.3.6 Doing work on a gas. Each one has a worked solution and a mark scheme showing where the marks go.