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Every kid complains about cleaning their room, now they can understand the science behind why rooms get so messy! New from the #1 Science author for kids, Chris Ferrie!

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"First published as Red Kangaroo's thousands physics whys: fly fly to the sky: the science of flying in 2018 in China by China Children's Press and Publication Group."--Title page verso.

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"First published as Red Kangaroo's Thousands Physics Whys: The world is made up of atoms in 2018 in China by China Children's Press and Publication Group"--Title page verso.

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Learn how to make colourful rainbows dance across the sky with the #1 science author for kids, Chris Ferrie!

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It's time to take #1 science author Chris Ferrie's unique brand of learning to the next level: get charged up with the physics of electricity!

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It might feel like time is speeding by, but Dr. Chris explains how special relativity is what actually makes time fly!

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"First published as Red Kangaroo's thousands physics whys: bathing in waves in 2018 in China by China Children's Press and Publication Group."--Page facing title page.

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It's time to take #1 science author Chris Ferrie's unique brand of learning to the next level: your little scientist will go back to the future with general relativity!