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• TLF-IDM021203

This short video gives an overview of the emergence of the first atoms, hydrogen and helium, 380,000 years after the Big Bang. The effects of gravity led to tiny variations in the density of matter throughout the Universe, which in turn became heated, resulting in fusion and the emergence of the first stars, galaxies, and ...

• TLF-IDM019579

This 46 minute video explores the environmental and cultural impact of a dam on Lake Victoria in south western NSW and current efforts to protect the significant Aboriginal heritage and environmental values of the area. It provides a comprehensive historical case study about the Aboriginal culture at TAR-RU and the effect ...

• TLF-IDM025780

Get an introduction to the law-making process of the Australian Parliament with this short video. It includes all the law-making steps in the Senate and House of Representatives.

• TLF-IDM011231

This resource is about spinning mills in 19th-century Britain. The animation shows how a spinning mill used line shafting to spin cotton. Students read text material, then view the stages of line shafting: coal-fired furnaces produce steam, which passes through the valves and powers the piston rod; the piston rod transfers ...

• TLF-IDM012414

This resource is a video demonstration, with audio commentary, about calculating the mean, median and mode of a data set. The meaning of each of the terms - mean, median and mode - is explained and the difference between them is clarified. The resource explains the process and demonstrates a handwritten method for calculating ...

• TLF-IDM021198

This 6 minute video explains how agriculture drove change and why humans took the risk of abandoning foraging. As farming technologies improved, populations increased, which led to the growth of villages and then cities. This in turn enabled collective learning, so that farming regions got a head start on other regions. ...

• TLF-IDM011495

This is a video demonstration, with audio commentary, of the procedure for pen-and-paper subtraction of decimal fractions. In the commentary, the presenter emphasises the links with the underpinning concepts of place value. Practice questions, limited to subtraction of decimal fractions involving tenths and hundredths, ...

• TLF-IDM017160

This is a three-and-a-half-minute video promoting the case for investment in reducing the huge amount of grain lost to post-harvest pests and decay in Sub-Saharan Africa. It begins by highlighting the extent of grain losses, pointing out that they equal 20 per cent of all grain harvested, would have been worth about US$4 ...

• TLF-IDM021191

This 10 minute video in three parts offers an overview of the development of the agrarian civilisations in the ancient world. Part 1 looks at how, as peasant villages spread, farmers developed more productive methods of farming, particularly the use of large animals for ploughing and transport, and irrigation. Part 2 looks ...

• TLF-IDM019580

This 12 minute video explains the water cycle in the context of the Murray Darling Basin and the great variability in rainfall in the region causing frequent floods and droughts. It highlights the importance of the rivers in the Murray Darling Basin for agriculture, environmental health, water supply, habitat for migratory ...