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All about engines

What does 'horsepower' really mean? And how do engines work? Join Luke and Abhi from MIT to find out! As Abhi explains, engines produce power by forcing a mixture of fuel and air into a tight space and then burning it. Piston engines and turbine engines do this in similar, yet different ways. After watching this video, ...

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What Greenland's ice tells us about climate change

Why is it so important to keep our eyes on Greenland's ice and what does it have to do with climate change science? Watch this short animation from NASA to find out!

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Show me the water!

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

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Maths inside bees and beehives

Bees are necessary for assisting many plants to produce the food we eat, including meat and milk. Colony collapse disorder, which describes the disappearance of beehives, could have catastrophic effects on food production. Australian scientists are applying their maths and science knowledge to build up a picture of a healthy ...

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Welcome to Bonegilla Migrant Camp

Following World War II, the Australian government was eager to increase the country’s population. The war reminded Australians that their small population would not withstand an enemy invasion. Further, a larger workforce was needed to develop the postwar economy. European people, many displaced by the war and the spread ...

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The Sea Turtle and the Osprey

The Dreaming of the Sea Turtle and the Osprey (Wundanyuka kulu Jujuju) belongs to the Wurdalia clan of the Yanyuwa People, who live in and around Borroloola, near the Gulf of Carpentaria in the eastern Northern Territory. The story follows the Osprey, who pursues Sea Turtles in the islands of the southwest Gulf. Please ...

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How do touchscreens work?

Ever wondered how swiping your finger makes a touchscreen work? In this animation, see how invisible electric fields mess with your finger so your phone can pinpoint what you're touching.

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Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...

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Using maths to understand the universe

When completed, the Square Kilometre Array (SKA) project will be the largest and most capable radio telescope available to scientists. Radio telescopes like the SKA detect radio waves produced by events and objects in the furthest reaches of space, translating these waves into data and imagery that allow scientists to study ...

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Introduction to careers in agribusiness

This is an animated video about a range of jobs in agriculture and agribusiness that can provide an ideal career. The animations are accompanied by voiceover commentary, text on screen, background music and optional subtitles. The video begins by pointing out how young people can become increasingly uncertain about a career ...

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How misused modifiers can hurt your writing

A short video for secondary students which explains what modifiers are, and how it's important to clearly link them to the words they're actually referring to, in order to avoid unintentional ambiguity.

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How did change accelerate?

This 12 minute video is divided into two parts and presents an overview of the rapid development of the modern world. Part 1 presents reasons for the exponential growth in the world's population over the last 500 years including the development of global networks and commerce and the discovery of fossil fuel energy, which ...

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When to use 'me', 'myself' and 'I'.

This short video for secondary students explains the different roles in a sentence that 'me', 'I' and 'myself' play, and where each belongs.

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Spinning mill animation

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 ...

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Stephenson's Rocket animation

This animated resource is about innovation in railway technology in 19th-century Britain. It models an early steam locomotive called Stephenson's Rocket, which won the Rainhill Trials in 1829, a competition to find the best locomotive engine for a railway line approaching completion. It includes background material, an ...

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BTN: What is debating?

Well, come along to round six of the 2015 National Schools Debating Championships to find out! What are the rules of debating? And what are the speakers judged on? As BTN reporter Carl Smith explains, in order to make a good argument, you need to try to prove that your ideas are right and your opposition's ideas are wrong. ...

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What are IP addresses?

Meet Vint Cerf, the co-creator of the internet! In this clip, Vint and software engineer Paola Mejia explore the way computer networks talk to each other. Find out what an IP address is and why it's similar to a street address. What's the domain name system? And how does your computer find out the IP address of a website ...

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What makes these paper planes fly?

Have you ever wondered what makes a paper plane fly? Think about the design of the paper plane as well as external factors like the various forces that are at play, then make a list of the design considerations and a list of the different forces.

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What are pixels?

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 ...

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The history of the Aboriginal Tent Embassy

The Aboriginal Tent Embassy was established on the lawns of the Old Parliament House in 1972 only to be forcibly removed a few months later. Why do you think the reporter compares the protest in Canberra to events in Louisiana and Mississippi in USA? What are the protesters chanting? See if you can find out what happened ...