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Listed under:  Science  >  Forces and energy  >  Mechanical energy  >  Friction
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Aeronautics

This is a resource for educators detailing student learning programs that explore aeronautics, encouraging them to examine the nature of flight and to experience some real-life applications of mathematics, science and technology. The activities are divided into three chapters: Air, Flight and We Can Fly, You and I. Step-by-step ...

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Science principles in traditional Aboriginal Australia

This is an illustrated article about how Aboriginal people's traditional knowledge demonstrates an understanding of physics, biology and chemistry and how Aboriginal people gather knowledge through observation, testing, trial and error, adapting and retesting. Written by Kudjala/Kalkadoon Elder from Queensland Letitia ...

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Rotocopters

This resource contains lessons plans containing instructions and teachers' notes for a lesson that can be part of a unit on flight or used as a great motivating activity to foster positive attitudes. The clear and explicit instructions are a good example of a procedural text. The notes also provide a clear explanation of ...

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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 ...

Audio

Judge Kevin Parker talks about 'beyond reasonable doubt', 2008

This is an edited sound recording of Kevin Parker, vice-president of the International Criminal Tribunal for the former Yugoslavia (ICTY), outlining the process of reaching a judgement. Parker stresses that a guilty verdict can only be based on a case being proven 'beyond reasonable doubt' through evidence brought before ...

Image

Air-raid shelter in Brisbane, 1942

This black-and-white photograph shows two women and two uniformed servicemen in a backyard featuring a homemade air-raid shelter during the Second World War. The two men, Private Dick of the AIF and US soldier Tom Squires, are standing in the shelter with Anthea Dyke while Doreen Smythe is jokingly pointing a hose at them. ...