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

Catalyst: The physics of a slinky drop

Imagine holding a slinky by the top end, with the bottom end dangling in mid-air. What do you think would happen when you let it go? Explore the physics of two equal and opposing forces working on an object in this awesome experiment!

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Balloon car challenge

In this practical activity, students design and build a balloon-powered car and race it to better understand the ideas related to rocket propulsion. The resource includes a step-by-step teacher guide and student worksheets.

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Different paper plane designs

How many different paper plane designs are there? Lots! Watch as Dylan Parker, paper plane expert, demonstrates some of his favourites. Notice the way the different shapes and features of the planes cause them to move through the air in different ways. Which one do you like the most? Why not have a go at making something similar?

Video

Can We Help?: Effects of g-force on the human body

Peter Rowsthorn visits the Australian International Air Show to answer the question, 'What effect does g-force have on the human body?' Join Pete in the cockpit of a light plane for some aerobatics with pilot David Pilkington. G-force expert Dr David Newman explains the science as Pete endures up to 6 g in the aircraft.

Video

Friction: Friend or foe?

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

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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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Science Talk 2007: Ruben Meerman

Find out what happens when the ABC's Surfing scientist, Ruben Meerman visits Year 3 at Crown Street Public School with some liquid nitrogen! Ruben shows the Year 3 students what happens to solids and gases when they are cooled and warmed and relates this to real-world phenomena. Ruben also shows the kids some tricks with ...

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Solar System Quiz

This is a non-threatening ten question multiple choice quiz that gives students feedback on their understanding of our solar system that continues to reveal amazing facts and inspire some out-of-this-world fantasy. Excellent explanations given in the feedback. A useful resource to stimulate discussion or establish student ...

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Plotting a Magnetic Field

Students use this resource consisting of seven slides with diagrams, written explanation and voice-over to understand how to plot the magnetic field around a bar magnet using a plotting compass. There is a two-question quiz and a summary slide.

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experiMENTALS: Keys on a shoelace

This resource contains a materials and instruction list and brief explanation for students to show that keys on a shoelace can do some unexpected things.

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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. ...

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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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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 ...