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• TLF-IDA003972

This video presents examples of shell fossils that help us to understand where oceans were located in Australia millions of years ago. The shells lived in shallow marine environments before they died and became part of the rocks formed from sand and silt at the bottom of the water. Brachiopods from Woolshed Creek in Canberra ...

• TLF-IDA004573

This resource is designed to help teachers to think about their own practices and explore a number of common approaches to the discussion of contemporary issues. The resource includes six professional learning modules, with pre-readings, group activities, discussion questions and prompts, plus other resources. Module themes ...

• TLF-IDA003973

This short video is targeted at upper primary students but is suitable for a wider audience. It introduces the concept of tectonic plates making use of a tectonic plates puzzle. Students are asked to predict the direction and speed of plate movement and consider where and why earthquakes happen on the Australian Plate.

• TLF-IDA003966

This short video demonstrates how to determine the density of a mineral sample. The video explains how to calculate density, then shows students how accurately measure the mass and volume of a mineral sample.

• TLF-IDA003967

This short video demonstrates how to determine the streak colour of a mineral sample. The video shows how to rub a mineral sample across a streak plate, and how to use a streak colour chart to help identify a mineral. The video also shows the difference in streak colour for pyrite (fool's gold) and real gold.

• TLF-IDA003310

Use this video as a springboard to explore scaling or proportional thinking, and to apply that thinking in a food context, drawing on reasoning and mathematical modelling.

• TLF-IDA003977

This short video introduces rocks from volcanoes and their features using some of the samples in the Geoscience Australia Education Centre. Students are shown different types of lava rock, bombs, obsidian and pumice. The video is suitable for middle primary and older students as well as a general audience; it introduces ...

• TLF-IDM015446

The golden ratio, Phi: fact or fallacy? What about the Fibonacci sequence? We are told this ratio and its cousin Fibonacci occur everywhere in nature. Let's see which of these claims stacks up when put to the test.

• TLF-IDM018050

How did Japan's Tokugawa shogunate come to an end? The entry of the US fleet into Tokyo Bay in 1853 and the events that followed exposed the shogunate's policy of isolation as a potential threat to the country. Western influence, and Japan's response to it, would have an enormous impact on the country's future. This clip ...

• TLF-IDM016022

Discover what threatens a native Australian predator and how scientists are hoping to save it from extinction. This clip about quolls in the Northern Territory describes the causes of its decline and a rescue strategy to save it from extinction. The strategy has a surprising twist - it features the very thing that is threatening ...