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Hands-on posts

Colour changing lemon tea Activity

by David, 4 March 2021 | 1 comments

Two cups of tea - one is much lighter than the other

There’s something soothing about a cup of lemon tea. But there’s some fun chemistry happening in that cup too!

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Mushroom starburst Activity

by David, 18 February 2021 | 0 comments

Image of mushroom gills.

Mushrooms are strange looking things that grow out of the ground, but what do they actually do? Uncover their secrets, and find the beautiful starburst they have hiding inside them!

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Marbled nails! Activity

by David, 27 January 2021 | 0 comments

a thumb with a coluorful parttern painted on its nail

Have fun and give yourself marbled nails while learning more about chemistry.

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Hands-on science for the holiday season Activity

by David, 18 December 2020 | 0 comments

Small metal bells in a glass of fizzy water

It’s the silly season! Looking for a way to celebrate with science? Try this collection of hands-on activities.

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Fake snot Activity

by David, 9 December 2020 | 0 comments

Spoon dripping jelly like green liquid into a bowl.

Here’s some gross science for you to get hands-on with! This gloopy recipe produces some amazing fake snot.

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Cone star Activity

by David, 26 November 2020 | 0 comments

Star made from multiple coloured paper cones.

The holidays are coming, and it’s time to start decorating. What better way than a bright, colourful, mathematical star decoration!

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Mountain air pressure Activity

by David, 12 November 2020 | 3 comments

Holding up an eempty drink bottle with mountain in the background.

Here’s a great excuse for a trip up a mountain! Grab some bottles and learn why it’s hard to breathe at the top of tall mountains.

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Unchecker the board Activity

by David, 22 October 2020 | 0 comments

Someone is sliding a black counter on a grid

Here’s a quick sliding puzzle to get your brain pumping. See if you can separate the light and dark counters in as few moves as possible!

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Sugar snake Activity

by David, 16 October 2020 | 0 comments

Ash and flames in a foil tray.

Here’s a fun little firework you can make at home. A couple of simple household chemicals grow into a gigantic black snake!

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Making More Hands-On Science Update

by David, 15 October 2020 | 0 comments

This month, CSIRO released its latest collection of favourite hands-on activities for kids. The Double Helix editorial team explains the thinking, splashes, scares and surprises they encountered while testing their new book: More Hands-On Science.

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