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Chemical sciences posts

A taste of science – a quick quiz Quiz

by David, 26 February 2020 | 0 comments

Black lightning bolt in purple circle

This quiz explores one of our most enigmatic senses. Do have the answers you need to taste victory?

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Mirage in a cup Activity

by David, 20 February 2020 | 0 comments

Class of clear liquid with layers between the clear liquids, affecting the image seen through the glass.

If you’re in the desert on a hot day, you might see things that aren’t really there. But that’s not the only way to see a mirage – you can also see them in a glass of sugary water!

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Protecting paintings with flow chemistry News

by David, 21 November 2019 | 0 comments

Gloved hand painting with a brush onto a work of art.

Have you ever wondered why many old paintings are so shiny? It’s not the paint they used – it’s a varnish that’s applied on top of the paint. These chemicals are designed to enhance and protect precious artworks. And CSIRO just formulated a new varnish that’s taking the art world by storm!

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Magnifying sound Activity

by David, 3 October 2019 | 0 comments

A man holdiing a pink baloon near his face and a phone at arms length.

A magnifying glass can bend light waves to make an object look bigger. Can you make a magnifying glass for sound waves too?

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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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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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Water balancing trick Activity

by David, 29 November 2018 | 0 comments

A five cent coin with a convex drop of blue water covering the surface.

Here’s a balancing game, but with a bit of practice you will always win! Why? Because you’ve set up a clever trick.

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Making marshmallows Activity

by David, 14 August 2018 | 0 comments

Small plate of coconut covered marshmallows

Learn some fluffy and delicious chemistry by following this marshmallow recipe.

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Lava fizz Activity

by David, 12 July 2018 | 2 comments

Lava lamps look super cool, but they can be expensive and hard to find. With this activity, you can make your own bubbly lava and learn a bit about oil and water!

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Shrinking plastic Activity

by David, 14 June 2018 | 2 comments

Image of a tiny giraffe held between someones fingers.

Have you ever wanted to draw really small pictures? Here’s a trick – you can just draw normal sized ones, and then use some special plastic to shrink them!

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