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Listed under:  Technologies  >  Materials
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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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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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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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For the Juniors: How does rice get to the supermarket?

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

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How do robots work?

Ever wondered how robots work? Watch as students and Robogals members Claire and Stefan introduce you to one of their robots. What does Claire say about robot languages? And what does Stefan say about how the robot knows what's in front of it?

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Elliot and the Surfing Scientist: Red cabbage pH experiment

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

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Stamping in visual arts

In visual art, what do you think stamping refers to? Learn how to create artworks using this technique. See if you can find something other than a leaf as the stamp to experiment with.

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Precision Sheep Management: video

This is a video (4:09 min) about the University of New England’s Kirby Research Station and how its work with sheep has been transformed by technology, particularly the Radio Frequency Identification (RFID) tag. The video is presented by members of the Enhanced sheep wellbeing and productivity research program and includes ...

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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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Engineering clean rivers

Figuring out how to clean up contaminated rivers is a big challenge. It's also tricky to work out where the most contaminated parts of a river system are and whether its fish are safe to eat. Watch this video and learn how engineering has helped to solve these problems. Why do you think engineers looked to the bottom of ...

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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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BTN: Daily bread

Do you eat bread? How often? Discover why bread has been important for human survival for thousands of years. Find out how to find the healthiest types of bread to eat. See how you can make your own bread at home.

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Thinking about the design process

Watch as UNSW student and Blusat member William Frohlich talks about the design process. What are some of the important things to consider before you start to make a project? Why does William say it's important to be flexible with your designs? Design your own obstacle course for your family using objects from around your ...

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Tough zirconium - but what's its secret side?

The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.

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For the Juniors: How do you make bread?

Have you ever made bread? This clip shows a girl learning to make bread at home with her mother. You will also see how different types of bread are made.

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Create: What is abstract art?

Traditionally artworks were representations of real life objects and environments. When you looked at these works you could usually identify what the artist was representing. How is abstract art different from this? Watch this video to see an example of an abstract painting, then have a go at creating one yourself!

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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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For the Juniors: First the base, then the frame

Come and see Hugo's house getting built. Find out how the concrete foundations are laid. What comes next? Carpenters build a wooden frame. Spot the tools used to build the house. How is each tool used?

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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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For the Juniors: Ramping up the fun

Join Winston as he tests which materials slide down a ramp. Which ones will slip and which ones will grip? He's testing a wooden block, a stone, a glass bottle and an eraser. Predict what will happen. Watch to see if your prediction was right.