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Task: Answer two questions about variables in an investigation about insulation and complete a graph. Assessment focus: fair testing.

Task: Investigate mass required to lift a small rock when changing distance from pivot. Assessment focus: levers.

Task: Predict whether given objects will float, investigate, then record and explain results. Assessment focus: flotation.

Task: Use a diagram to match shadows to a time of day. Assessment focus: shadows.

Task: Answer two questions about setting up a fair test and another about insulating houses. Assessment focus: controlling variables.

Task: Identify the position of the sun and the time of day when the shadows shown is formed. Assessment focus: shadows.

Task: Answer questions about rowing. Assessment focus: levers.

Task: Answer two multiple choice questions. Assessment focus: managing variables.

Task: Answer questions about levers. Assessment focus: levers.

Task: Use displacement to measure volume. Assessment focus: displacement.

Task: Identify patterns in a table and suggest ways to make a toy travel further. Assessment focus: interpreting data; energy; forces.

Students read a passage about a proposed fair test and then list four variables that need to be controlled.

Task: Select cards to show how to control the variables of an investigation into the rolling distance of marbles on different surfaces. Assessment focus: controlling variables.

Task: students, in small groups, discuss a concept cartoon about rolling cans, before making a prediction about which will roll further. Assessment focus: making predictions about friction.

This practical task requires students to record temperatures of various areas in the school and to suggest reasons why some areas are warmer or cooler than others.

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.

In this practical task students predict, and then measure the temperature of water from a range of familiar sources.

Task: Explain how to use the magnet to remove a drawing pin out of a glass of water without putting the magnet in the glass, touching the glass with hands, or spilling the water. Assessment focus: using knowledge of magnetism to solve a problem.

Task: Make a sound gun and use it to investigate what happens to a candle when the end of the sound gun is tapped. Assessment focus: sound waves.

Task: Students answer questions about what will make mountain bike riders go faster. Assessment focus: Air resistance.

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

Students describe the images seen in flat and convex mirrors.

Students investigate energy transfer by colliding marbles, explaining their observations, and what happens to the energy of the moving marble on impact.

Choose which toy vehicle will roll further, and explain why. The two vehicles are set up under different conditions (ramps at different slopes, rolling onto different surfaces at the bottom). Assessment focus: science explanations using ideas about forces and energy.

Explain what affects the distance travelled by toy cars, and why they eventually stop. Assessment focus: science explanations using ideas about forces and energy.