Forces resources

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

Students name the force that delivers water to households from a water tower and then explain advantages and disadvantages of a wind-powered pump compared to a petrol-powered pump.

Task: Describe which cyclist uses more energy and why. Assessment focus: forces created by air resistance.

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

For this practical students make observations on water flow from three holes set at different heights in a container. They also investigate the effect on water flow if the top is on or off the container.