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You wouldn't want to live without gravity!

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轉寄 列印
第1級人氣樹(0)
人氣指樹
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You don't really get a choice about gravity. If you live on Earth, you're going to have to live with it.This series takes readers (Ages 8-12) on a historical journey, examining how people coped in the past and how they developed ingenious ways to make life safer and less unpleasant. Each book features full-color cartoon-style illustrations and hilarious speech bubbles to heighten interest, making the series attractive even to reluctant readers. If you become an astronaut, you might get to escape from gravity for a while, but it will be waiting for you when you get home. But gravity does a lot of useful things - such as keeping us on the Earth and holding the entire universe together Learn how gravity was discovered and why it helps us to understand everything from how toothpaste comes out of the tube to the movements of the planets.

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