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water posts

Pool leak brainteaser Brainteaser

by David Shaw, 5 January 2023 | 0 comments

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Difficulty: Fun While Eddie is away on holidays his swimming pool has a leak. Each day it loses half the water still in the pool. Normally, it’s 1.6 metres deep, but when Eddie gets home there is only 10 centimetres of water in the bottom. How long has the pool been leaking?

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Don’t get wet! A quick quiz Quiz

by David Shaw, 29 July 2020 | 2 comments

Black lightning bolt in purple circle

Our planet is covered in water. You’ll find it in oceans and rivers, as clouds in the sky, and even inside our bodies. Can you get 5/5 in this quiz, or will you start taking on water?

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Take a breath – a quick quiz Quiz

by David Shaw, 22 April 2020 | 0 comments

Black lightning bolt in purple circle

Need a breather? Time for a quiz! While you might know a little about your own breathing, what do you know about how tadpoles breathe? Time to test your knowledge on this and other science topics.

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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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Floating images Activity

by David Shaw, 21 March 2019 | 2 comments

Drawing of a green and red butterfly in the bottom of a bowl with a small amount of blue water.

Have you ever wanted to bring your pictures to life? Here’s one neat trick to make a drawing float away, literally!

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Summer assortment – quick quiz Quiz

by David Shaw, 19 December 2018 | 0 comments

Black lightning bolt in purple circle

There’s something for everyone in our summer assortment quiz. Try this fun mix of questions from across the sciences! If you’re after more fun science for kids, subscribe to Double Helix magazine!  

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Water balancing trick Activity

by David Shaw, 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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Lava fizz Activity

by David Shaw, 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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Cool stars and comfy planets News

by David Shaw, 17 March 2017 | 0 comments

A star and seven planets

Is there life on other planets? It may seem like we’re alone in the universe, but there’s still hope. The race is on to find signs of life on Earth-like planets, which have atmospheres and liquid water on the surface.

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Venus’ cool past News

by David Shaw, 26 August 2016 | 0 comments

A picture of a planet with clouds and oceans.

In some ways, Venus is Earth’s twin – it’s the closest planet to Earth, and it’s almost exactly the same size. But poor Venus flies too close to the Sun. Brighter sunlight and a runaway greenhouse effect makes Venus unbearably hot, with temperatures averaging more than 450 degrees Celsius.

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