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• TLF-IDA004560

In this lesson sequence, students focus on the observable features of living things and their environment. Students follow and represent sequences of steps and decisions (algorithms) to solve problems.

• TLF-IDA003969

This video, presented by marine ecologist Dr Rachel Przeslawski, explores how marine scientists make maps of the seafloor and what these maps are used for. Dr Przeslawski talks about her experiences as a marine scientist involved with making maps from ships and discovering the depth, shape and hardness of the sea floor. ...

• TLF-IDA003998

This activity is designed to help students visualise plate boundaries on a spherical Earth, rather than on a flat map. The downloadable PDF includes a model to cut out that shows major plate boundaries, boundary types and highlights our own Indo-Australian plate. The activity includes assembly instructions and pieces to ...

• TLF-IDA004335

The aim of this task is to provide a rich, contextual activity through which students can begin to explore the addition and subtraction of one- and two-digit of numbers in everyday contexts.

• TLF-IDM025067

A lot of resources go into the production of beef. For example, 20 litres of water is needed to produce just 1 gram of beef. In order to produce food more sustainably to feed an ever-growing population, some alternatives to protein have been suggested. What are some of these alternatives? Do you think they will ever replace meat?

• TLF-IDM015385

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

• TLF-IDM015736

Can you imagine a world without plants? Do you agree that plants are important to our lives? Listen to Nick explain the amazing variety of ways you use plants every day, often without knowing it.

• TLF-IDM015797

All substances are made up of tiny particles. A change in temperature can change the way these particles behave. Watch as the Surfing Scientist demonstrates how a gas behaves when it is heated. Find out whether the balloon gets sucked or pushed into the bottle!

• 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 ...

• TLF-IDM015732

Imagine if we could control the weather. Find out how scientists are already at work making clouds rain when and where they want. It's called cloud seeding. Watch this clip to understand how cloud seeding works, and where it is being used in Australia.