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Catalyst: Hemp is not a weed!

You may have heard about the cannabis plant and its use as the drug marijuana. But did you know it has two main varieties, one of them commonly called hemp? See how hemp differs from its 'cousin'. Find out more about the characteristics of hemp that make it a 'green' crop with plenty of potential.

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And now to build the satellite!

Once the design plan for a satellite is approved, it's important to identify the appropriate materials, tools and equipment needed to construct the new product. Watch this clip to find out what an engineer might do to select and test the components and techniques needed to build a satellite like NASA's MAVEN spacecraft. ...

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Spark: A better way to predict the spread of bushfires

In recent years, new technologies have helped us respond to natural disasters more quickly by providing up-to-date information as it becomes available. What if we could take this one step further with new technologies that can also predict disasters? Learn how Spark, which uses our existing knowledge of bushfire behaviours ...

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For the Juniors: Super-fast jet boats

Jet boats can go really fast. Instead of an outboard motor and propeller, jet boats have an inboard engine and they eject a jet of water out the rear of the boat. Watch this clip to see how they work.

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For the Juniors: Tall buildings that won't fall

What makes tall buildings strong and stable? View this clip to find out how a tall building made from concrete is made even stronger. Look at a model of the building to see how it will look when it's built. See if you can pick up some design tips to help you build your own tall structure!

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Benefits of teamwork in robotics

It takes team work to build robots! Oliver talks about how he didn't know too much about building robots when he first joined  3132 'Thunder Down Under', but by being in a team with others learned a lot of skills. He also talks about sharing ideas, and how valuable it is to make and learn from mistakes with others. Why ...

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For the Juniors: Wheely good wheels

Wheels are round and come in many sizes, but how does a wheel turn? In this clip we show you how a wheel and axle work together to provide movement.

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Use your creative thinking skills!

Ashwini Ranjithabalan from Women in Engineering and IT at the University of Technology Sydney (UTS) sees engineering as the business of solving future problems. What are some of the challenges we (and our societies) might face in the future? Get some friends together and see if you can brainstorm a list. Now choose one ...

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How to grow a pair of jeans

This is a slideshow for primary students that traces the steps in cotton production and processing from seeds to jeans. The ten slides in the show use photographs and relatively simple text to cover ground preparation for the cotton crop; seed planting; irrigation and the efficient use of water by Australian cotton farmers; ...

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The Australian cotton story

This is a nine-minute video about cotton cultivation in Australia and cotton's importance for Australians. Intended for a mid to upper primary school audience, it depicts a family sowing, irrigating, spraying and harvesting cotton on their farm at Dalby, Queensland. It also illustrates the life cycle of the cotton plant ...

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Reverse engineering

This series of short videos from Khan Academy deconstruct and explain the way household items are designed and how they work including a digital alarm clock radio, a coffee maker, a tap light (a toggle switch light), a hair dryer, a DVD player, a universal remote and a digital camera.

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How do solar panels work?

The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy. This TedEd animation (4:58 ...

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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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Growing carbon nanotubes

Carbon nanotubes are a very tiny but super strong material used in manufacturing to create strong, lightweight products. Besides sporting equipment, find out what other kinds of products are made using these tiny molecules. What other qualities (besides size and strength) do carbon nanotubes have that makes them even more ...

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Introduction 'Technology' in AgriBusiness (Animation)

This is a video about how Australian farmers embrace technology. Using animation, photographs and commentary with occasional puns and jokes by a primary-school--aged boy, it sets the scene of the overall impact of technology, describes why Australian farmers have always been innovative; provides a definition of technology; ...

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Lunchbox Legends - the people behind your lunch (Animation)

This is a video about the various occupations involved in developing and producing the food used in a ham and salad lunch roll. The video is presented by Will, a primary-school-aged boy, who identifies and describes nine occupations in several broad groups including researchers, growers of plant food; producers of animal ...

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Food security researcher

This is a short clip in which a dietician, Kate, describes a food security research project she is working on and includes details about what food security is, the skills employed by researchers and what she enjoys about her project topic. Kate provides encouragement for undertaking work experience to find out more about ...

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Low impact sustainable agriculture

This is a video (4:15 min) about how the Stewart family is regenerating their family farm, Yan Yan Gurt West, in south-western Victoria. Presented by family members, the resource describes how the land was over-cleared in the past and its hydrology or water resources were compromised when swamps were drained. The regeneration ...

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Biofuels – From Sorghum to Ethanol (video)

This is a video [6:05 min] about the production of ethanol from sorghum at the Dalby Bio-Refinery in Queensland. The video describes and illustrates the stages in the production process including milling the sorghum into ‘flour’; mixing the flour with water to hydrolyse the starch; adding enzymes to liquefy the starch (the ...

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What do authors do besides writing – they farm truffles?

This is a video about author and farmer SD Gentill and how she combines writing with growing black truffles. It consists of an interview in which she answers questions posed by Will, a young boy. To a background of scenes from her Snowy Mountains farm and a Brisbane restaurant she supplies, Gentill explains how truffles ...