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carbon dioxide posts

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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Infinitely scaling sherbet recipe Activity

by David, 6 March 2020 | 1 comments

Small pile of pink powder on a black surface.

Here’s a fizzy treat for your mouth! But this sherbet recipe has a mathematical trick. You can use it to make as much or as little as you like. Keeping the ingredients in proportion in this way is known as scaling.

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Raise the volume! – a quick quiz Quiz

by David, 9 October 2019 | 0 comments

Black lightning bolt in purple circle

This quiz we’re looking at volumes. Time to fill up on some science knowledge!

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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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Cold to the core News

by Pat, 5 July 2013 | 0 comments

Ice core being held by gloved hands.

A fridge or freezer can preserve food for weeks, months or years. But that’s nothing compared to glaciers, with layers of ice preserving information about Earth’s climate for thousands of years.

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Discover a changing climate in an ice core Activity

by Mike, 4 July 2013 | 0 comments

Plastic cup with three different layers. The contents are overflowing.

Do you wonder why scientists are down in the Antarctic? One reason is to take ice cores, which keep a record of how the Earth’s climate has changed. To learn more (and make a tasty snack) try this totally cool activity! Safety: When dealing with food, use clean hands and clean equipment. You will need…

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Breaking symmetry News

by Pat, 20 November 2012 | 0 comments

Chemical formulas, such as H2O (water) and CO2 (carbon dioxide), are handy as they identify which atoms are present in a chemical compound. This can in turn help to make predictions about their properties. But only knowing which atoms make up a compound sometimes isn’t enough. It helps to know how the atoms are arranged.

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