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carbon dioxide posts

Sense-sational baking soda scones Activity

by Ariel Marcy, 21 June 2023 | 0 comments

Scones with jam and cream on a plate.

Get a rise out of your dough with a simple acid-base reaction!

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Leaves – a quick quiz Quiz

by David Shaw, 3 November 2021 | 0 comments

This quiz has a leafy theme. Can you get the high score, or will it leave you heartbroken?

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Infinitely scaling sherbet recipe Activity

by David Shaw, 6 March 2020 | 2 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 Shaw, 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 Shaw, 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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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.

Continue reading Breaking symmetry

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