The Figure shows the particles of a gas inside a sealed container.
Figure

Describe the movement of the gas particles.
Complete the sentence.
Choose the answer from the list.
force mass speed temperature
The pressure of the gas is the ____________ acting on each unit area of the wall.
In which direction does the force from the gas pressure act on each wall of the container?
Choose your answer from the list.
parallel to the wall at right angles to the wall only downwards on the wall only upwards on the wall
The gas is heated. The volume of the container does not change.
State what happens to the pressure of the gas.
50 exam-style questions on OCR GCSE Physics 1.3 Pressure, covering 1.3.1 Molecular motion, temperature and gas pressure, 1.3.2 Gas pressure at constant volume, 1.3.3 Compressing and expanding gases, 1.3.4 Gas volume and pressure at constant temperature, 1.3.5 Doing work on a gas, 1.3.6 The Earth's atmosphere and atmospheric pressure, 1.3.7 Atmospheric pressure and height, 1.3.8 Floating and sinking, 1.3.9 Pressure in liquids and upthrust, and 1.3.10 Pressure differences with depth. Each one has a worked solution and a mark scheme showing where the marks go.