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Levitating card Activity

by David, 5 September 2019 | 0 comments

Man blowing through a cotton reel.

Normally, when you blow on a piece of card, it flies away. But in this activity, you can blow to pull the card towards you with the science of air pressure!

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Air cannon Activity

by David, 22 August 2019 | 0 comments

Cup with plastic wrap and ticket targets in the background.

Want to reach out and touch something with a puff of air? This tiny air cannon shoots vortexes of air that can be felt from metres away!

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Poems from the periodic table News

by Jasmine, 15 August 2019 | 2 comments

Is there a chemical element you love the most? To celebrate the International Year of the Periodic Table in 2019, Double Helix is running a poetry competition for school-aged students with support from the Royal Australian Chemical Institute (RACI). Meet our chemistry expert and competition judge, Michelle Neil!

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Sugar and sunglasses Activity

by David, 8 August 2019 | 0 comments

Jar with polarised light effect.

Wearing sunglasses while using a computer might seem like a bad idea. But if you use the right glasses, it can make a great experiment!

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Super-quick reflexes? Just add electricity! News

by David, 1 August 2019 | 0 comments

Photo of a young boy with his eyes shut, juggling three balls.

Have you ever wished you had superhuman reflexes? In a simple but effective experiment, scientists from Sony Computer Science Laboratories and the University of Chicago used electrodes to improve people’s reaction times.

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Spinning cotton Activity

by David, 25 July 2019 | 0 comments

A green bead the size of a marble threaded onto a piece of string.

Most clothes are woven from thread, then sewn together with thread. While there are now many human-made fibres, cotton is the most widely used of the natural fibres in clothing. So why not try spinning your own cotton thread, and learn a bit more about how clothes are made?

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Lizard smarts: baby blue-tongues born clever News

by David, 18 July 2019 | 3 comments

A small blue tongue lizard on a person's hand.

Have you ever looked through your old school books? You might be surprised at how many mistakes you used to make, or the things you didn’t understand. Human brains take decades to fully develop, but eastern blue-tongue lizards might be born as clever as their adult counterparts.

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Drop the needle! Activity

by David, 11 July 2019 | 0 comments

Flame heating a needle held in place by a magnet.

Think you understand magnets? In this hands-on activity, use a magnet to make a needle float and then fall.

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Stirring an impossible liquid News

by David, 4 July 2019 | 0 comments

Swirling brownish image.

Imagine a swirl of milk in a cup of tea, or a drop of food colouring in a glass of water. The way liquids move and flow is intricate and almost impossibly complex. But that doesn’t stop scientists from trying to understand this movement.

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Vacuuming marshmallows Activity

by David, 27 June 2019 | 1 comments

Image of a cracked marshmallow in a glass bottle.

In this hands-on activity, you’ll make your own vacuum chamber and watch marshmallows turn into fluffy clouds of sugar!

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