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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: Answer questions about the surface of water in a water cooler on a moving train. Assessment focus: forces.

Students answer questions about genotype and phenotype in cats, and explain a breeding result for the genetic characteristic 'taillessness'.

Task: Answer three questions. Assessment focus: condensation.

Task: Students apply both their knowledge of the functions of roots and information from a model to explain why care is needed when transplanting trees. Assessment focus: interpreting diagrams.

Students identify the producers, herbivores, and carnivores in four illustrated food chains. Students then explain each of these terms and explain what the arrows in food chains mean.

Students are given some information on levers. They use this to label the pivot, load, and effort force on four other common examples of levers.

For this task students look at a diagram showing household electrical wires and then answer some questions about these.

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.

Using the equipment supplied students make a series circuit according to a circuit diagram. Then students are asked to construct another circuit using different criteria and draw as a circuit diagram.

Students match each of seven circuit symbols provided to its respective name. Then the students use the symbols to complete the simple circuit diagram as described.

Students use a diagram of a circuit to answer questions about which bulbs are in parallel and which are in series. Students are also required to put a switch into the circuit diagram provided.

Task: Answer questions about a table comparing the energy usage and lifespan of different sorts of lights, and use this information to complete a second table to describe advantages and disadvantages of each. Assessment focus: reading a technical table.

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

This practical task requires students to use a plastic comb and wool to generate static electricity. Students investigate different materials to find those that are attracted to the static charge.