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Listed under:  Science  >  Earth and space  >  Earth structure  >  Earth's crust  >  Weathering  >  Erosion
Video

BTN: South Australia's ancient sea fossils

Come on a palaeontologist's dig at Emu Bay, South Australia, and discover some weird-looking creatures frozen in stone. Find out what these fossils tell scientists about life on the ancient sea floor. There is a demonstration of how a fossil is formed, and you'll be surprised by the types of materials that have been preserved.

Interactive

Energy-efficient house

Explore how the temperature inside a house is affected by air flowing in and out. Look closely at the energy effects of design variables in a house such as insulation materials, window coverings and window direction. Build a house with maximum energy efficiency by adjusting key design variables. Change the house design ...

Image

Horsedrawn whim on a gold field at Gympie, 1870-80

This is a black-and-white photograph of the minehead area at a Queensland goldmine. It shows the mine's headframe and a horsedrawn 'whim'. The whim consists of a wooden derrick construction with two large vertically mounted drums at its centre, one with a rope wound around it. The rope is connected at one end to the swivel ...