Air pressure resources

Students answer three questions about air pressure in balloons, why helium balloons float, and why a popped balloon makes a noise.

Students carry out and make observations about water in a straw, and suction. Students are then required to explain their observations.

Task: describe how different features of a racing car help it go fast. Assessment focus: technological responses to forces.

Task: Answer questions about car tyres. Assessment focus: friction; air pressure.