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• TLF-IDM016590

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

• TLF-IDM016629

This 5 minute video segment from Catalyst highlights the vulnerability of some of our ecosystems and the way abiotic factors can have a dramatic effect. It also exemplifies the difficult process of having new scientific ideas accepted.

• TLF-IDM025852

This resource explores the navigation techniques used during the journey of the Endeavour and contrasts these with Aboriginal and Torres Strait Islander navigational and astronomical systems that have been in place for many thousands of years. This learning sequence contains activities suitable for Year 7 - Year 10 science ...

• TLF-IDM016154

This seven and a half minute video segment from Catalyst outlines how the discovery of stem cells in the brain marks a potential breakthrough in understanding the process of ageing in the brain. If brain stem cells can be regenerated through exercise or mental activity, can ageing be delayed?

• TLF-IDM016472

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...

• TLF-IDM016309

This 5 minute video segment from Catalyst describes how Charles Darwin has revolutionised the way we understand modern biology and evolution. A scientist in Queensland put one of his theories under the microscope by testing to see if more brightly coloured male butterflies have greater success in mating. He speculates that ...

• TLF-IDM016623

This seven and a half minute video segment from Catalyst emphasises the importance of collections in science. The Royal Botanic Gardens is the oldest scientific research organisation in Australia. The history of the gardens is outlined up to its current status as the home to almost 9,000 different species of plants. Paul ...

• TLF-IDM020880

This biodiversity learning resource guides students through an extended school based investigation. Students develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

• TLF-IDR6377

This is a mechanical model of part of the solar system, commonly known as an orrery, manufactured by English mathematician and instrument maker Benjamin Martin in about 1770. This bronze model features a cylindrical clockwork mechanism with an orb representing the Sun placed in the centre. Extending from this on an arm ...

• TLF-IDL2357

Select energy sources and energy converters to build energy chains to power appliances and vehicles. Examine how each energy converter in a chain loses some energy and reduces the energy available for use. For example, show that using a solar panel and an electric motor to drive a car delivers only 16% of the original ...