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Listed under:  Technologies  >  Machinery
Video

Catalyst: Why do astronauts float in space?

Have you wondered what it would be like to be an astronaut floating around in the International Space Station? In this clip, Catalyst's Dr Derek Muller investigates what causes this weightlessness in space. Derek challenges some people visiting the Powerhouse Museum in Sydney to explain why they think astronauts float. ...

Video

Elliot and the Surfing Scientist: Making a mini-rocket

Have you ever seen someone create a rocket using a soft drink bottle? In this clip, Surfing Scientist Ruben Meerman attempts to 'supersize science'. You will find out how he made a model rocket and see slow-motion footage of the rocket as it shoots up into the sky.

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experiMENTALS: Magic rocking candle

This resource contains a materials and instruction list and brief explanation for students about the process of burning both ends of a balancing candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level.

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experiMENTALS: Levitating balloon

This resource contains a materials and instruction list and brief explanation for students about the process of levitating a balloon.

Video

Electromagnetic Simulation (sk-Intel)

In this resource students explore how an electromagnet works in real life. They can then apply their learning in an electromagnetism game by changing the magnetism of a scrap lifter in a scrap yard and removing various amounts of scrap. The resource demonstrates the connection between the power applied, the number of coils ...

Image

Concert room at Ballarat, 1855

This is a watercolour, measuring 22.8 cm x 31.9 cm, by Samuel Thomas Gill (1818-80), a famous colonial artist. It shows Charles Thatcher (1831-78), a comic singer well known on the gold fields, performing popular songs on stage at the Charlie Napier Hotel in Ballarat with a female accompanist. The painting has the artist's ...

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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 ...

Image

'Sergeants Freehold Quartz Gold Mining Company's claim, Redan, Ballarat', 1881

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. ...

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Wild ride: get a grip

Investigate the role of friction in performance of bicycle tyres. Test how the type of tread affects grip and speed. Choose tyres best suited to track and weather conditions in a time trial. This learning object is one in a series of four 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 ...