By David Shaw, 5 September 2019
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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By David Shaw, 22 August 2019
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!
By Jasmine Fellows, 15 August 2019
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!
By David Shaw, 1 August 2019
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.
By David Shaw, 25 July 2019
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?
By David Shaw, 18 July 2019
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.
By David Shaw, 11 July 2019
Think you understand magnets? In this hands-on activity, use a magnet to make a needle float and then fall.
By David Shaw, 4 July 2019
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.
By David Shaw, 27 June 2019
In this hands-on activity, you’ll make your own vacuum chamber and watch marshmallows turn into fluffy clouds of sugar!
By David Shaw, 20 June 2019
Earth is active down to its very rocks. Earthquakes and volcanoes shake our planet, and the continents themselves drift lazily across the surface. Compared to Earth, the Moon is a cold, hard rock. But even lunar rocks are more active than you might think.
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Perfect for ages 8 – 14
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Engaging and motivating
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