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Leaving patterns Activity

by David, 31 January 2019 | 0 comments

a cup of water with plastic over the top and a coin balancing on that.

Written by Elvina Lee Here’s a cool activity that’s perfect for a hot summer’s day! Create a curious pattern with water.

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Absolute zero is absolutely impossible! News

by David, 31 January 2018 | 0 comments

Photo of a thermemeter in the scortching sun with a reading of above 100 degrees farenheit.

What’s the coldest thing in the universe? You may have heard of absolute zero, the coldest temperature possible. But a clever bit of mathematics has shown it might not be possible after all!

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What’s Fahrenheit? Activity

by David, 15 August 2017 | 0 comments

A thermometer with both Celsius and Fahrenheit measurements.

Do you have friends from the United States? Have you ever found a recipe on the internet with ridiculously high oven temperatures? Do you have a grandparent (or great grandparent) who doesn’t like the ‘new’ way of measuring temperatures? You might need our quick guide to the Fahrenheit scale.

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Fronting up Activity

by David, 28 May 2015 | 0 comments

By Mike McRae This activity uses water and food colouring. It’s a good idea to do this activity outside, and to wear old clothes while you do it! You will need Clear jar or cup Tap water Fridge Petroleum jelly

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Know your temperatures News

by Jasmine, 1 April 2014 | 0 comments

Panda eating ice cream.

Written by Matthew Dunn Illustrated by Alex Hallatt −273.15 °C Absolute zero Absolute zero is, unsurprisingly, the lowest temperature possible. When things get colder, their particles slow down.

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Microscope: Fire vs lava News

by Mike, 29 August 2013 | 0 comments

Stylised image of an erupting volcano

Welcome to Double Helix magazine’s Q&A section – Microscope. We take a close look at small questions full of big ideas. Q: I want to know which is hotter, fire or lava? Or are they both the same?

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Hot hot heat Activity

by Jasmine, 19 December 2012 | 0 comments

A cardboard box obscured by a pot plant.

Phew! The Sun can feel pretty hot, even though we’re millions of kilometres away on Earth. Find out more about how plants can keep buildings cool in this activity.

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