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Make it go: energy source: assessment

Find out what you know about energy and what makes things work. Match a machine to its use and identify what makes it go. Answer true/false questions to show what you know about types of energy. View and print a report on your work. This assessment object is one in a series of two objects.

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It's a drag

Investigate the braking efficiency of cars and trucks. Test stopping distances under controlled conditions. Compare effects of vehicle type, tyres, road surface and weather conditions. Choose driving speed, then apply brakes and compare stopping distances. Answer questions about friction, tyres and driver fatigue. This ...

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Give me a brake

Investigate braking efficiency of cars and trucks by testing stopping distances under controlled conditions. Test effects of vehicle type, tyres, road surface and weather conditions. Choose driving speed, then apply brakes and compare stopping distances. Estimate distances from target markers. Answer questions about antilock ...

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Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

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Pushing and pulling

Move animals from a boat to their new home in a zoo. Put them on a cart, then use monkeys to push or pull them up a hill. Use the minimum amount of force needed to move each animal. For example, use a single monkey to push a pelican or use three monkeys to pull a zebra. This learning object is a combination of three objects ...

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Light and shadows

Look at how a tree makes a shadow during a sunny day. Notice that objects always casts shadows that face away from the Sun. Examine how the shape and position of a shadow is related to the time of day and position of the Sun. Explore the shadows cast by different objects such as a bike, an umbrella and a child. Position ...

Audio

Alf Turner remembers his grandfather, William Cooper, 2008

This is an edited sound recording of Alf Turner, grandson of Indigenous activist William Cooper. Turner describes moving to Melbourne to live with his grandparents in about 1936 in the house then used for meetings of the Australian Aborigines' League (AAL). He recalls Cooper's frustration at the lack of results from the ...

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Make it go: energy change: assessment

Find out what you know about energy and how it changes. Complete a flow chart to show energy changes by identifying the energy source and the energy output of some machines. View and print a report on your work. This assessment object is one in a series of two objects.