Students are provided with a diagram of a bag used in solar showers. They answer questions about this bag relating to heat absorption, heat transfer, and radiation.
Task: Order wheels according to technological development, then answer questions about advantages and disadvantages of different wheels. Assessment focus: how wheels work.
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.
Three key variables related to high altitude flight are displayed graphically. Students use the information provided to answer a series of questions about flight.
Task: Select what would happen when like poles of a magnet come together, and explain why a plastic rather than a metal car was used in the investigation. Assessment focus: magnetism.
Task: Identify the colours on a taxi sitting under a red streetlight. Assessment focus: Coloured light can be produced by blocking some parts of the spectrum.
Task: Explain what is meant by 'efficient', calculate the amount of energy produced per second and name three forms of 'waste energy' of steam engines. Assessment focus: energy transformations.