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• TLF-IDM021122

Watch as Jamie Teherani from MIT, demonstrates how a big, mechanical computer made from wood works. What does it have in common with the high-tech computers of today?

• TLF-IDM020591

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...

• TLF-IDM016162

Students learn about the application of light refraction by completing a series of tasks based on light refraction using both concave and convex lenses.

• TLF-IDM016221

This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.

• TLF-IDM016557

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...

• TLF-IDM019387

This is a video about pig production at the Tintinara property of the Mount Boothby Pastoral Company in South Australia. Pigs at various stages are shown, including nursing piglets, weaned piglets weighing between 7 and 10k, and pigs close to a live weight of 100k. Pig producer Alastair Johnson gives statistics about the ...

• TLF-IDM015868

How do you feel about the rain? This clip explains why rain is so important to farmers. You will see how to make a rain gauge and use it to measure how much rain falls. Farmers measure rainfall so they know when to do different jobs on their farms.

• TLF-IDM016520

In this resource students explore how an electromagnet works in real life. They can then apply their learning in an electromagnetism game by changing the magnetism of a scrap lifter in a scrap yard and removing various amounts of scrap. The resource demonstrates the connection between the power applied, the number of coils ...

• TLF-IDM016134

In this simulation students select to measure the voltage across one, two or three light bulbs in series to measure the voltage drop across one, two of three bulbs.

• TLF-IDM017258

How much food does Australia produce, and what does this mean for food security in Australia? Watch this clip to find out about the factors that influence food production and crop yields, and also about the role that science and technology play. How will future population growth affect global food production and security?