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• TLF-IDR10550

This Teacher idea explains how students draw on day-to-day experiences with familiar machines as an introduction to forces and friction. Students investigate concepts including mechanical advantage, levers, inclined planes, wheel-and-axles and gears and apply this knowledge to design a machine. It includes a unit of work ...

• TLF-IDR9714

Use this resource with 'Wild ride: get a grip: assessment' (L7969). First, see a profile of that assessment object, which gives you some helpful background information. Then follow clear guidelines on the marking and interpretation of student input from that object's report. Read notes on anticipated student responses, ...

• TLF-IDM002581

This is a steam-powered pumping engine at Spotswood Pumping Station, Victoria.

• TLF-IDM015686

Discover why some people are opposed to wind farms even though they generate electricity without burning any fossil fuels. Travel to Australia's biggest wind farm to find out how wind turbines work, some of their benefits and drawbacks, and what locals think of them. Consider all views and make up your own mind about whether ...

• TLF-IDM019119

Wheels are round and come in many sizes, but how does a wheel turn? In this clip we show you how a wheel and axle work together to provide movement.

• TLF-IDL52

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 ...

• TLF-IDR3323

This is a pen, ink and watercolour drawing, measuring 43.5 cm x 55 cm, of Sergeants Freehold Quartz Gold Mining Company's claim at Redan, Ballarat. It was drawn in 1881 by T G Moyle, a gold fields artist working in the 1880s and 1890s. Extensive mine buildings are spread over a wide area, but dwarfed by a huge pile of quartz. ...

• TLF-IDM000225

This is an overtype steam wagon, manufactured from timber and steel by Aveling and Porter in 1920. The side of the wagon reads: 'MUNICIPALITY OF ROCKDALE'. The wagon has a traction-engine locomotive-type boiler with the cylinders and valve gear mounted on top of the boiler. The rear wheels are perforated and staked (the ...

• TLF-IDM000329

This is a 'Turbo Compact Eyre, 270 litre' heat pump hot water system manufactured in 2001 by Quantum Energy, Australia. The tank has a cross-section cut out of it by the manufacturer to show its internal workings while on display at an exhibition. The unit is made from steel, glass, aluminium, copper, plastic and polyurethane ...

• TLF-IDM000379

This is a VentrAssist implantable blood pump designed by Ventracor and the Faculty of Engineering at the University of Technology, Sydney, in 1997-99 and made by Ventracor in 2006. It features a titanium heart-shaped pump attached to a blue rectangular control box via a metal-and-plastic lead. The control box has a liquid ...