How much would you weigh on Jupiter? Where are airplanes catapulted into the skies? How does a water clock work? The 'Do It Yourself' series offers an exciting new approach to understanding and investigation. Each book helps you to conduct your own experiments and activities, and to learn more about the world around us.How much would you weigh on Jupiter? Where are airplanes catapulted into the skies? How does a water clock work? The 'Do It Yourself' series offers an exciting new approach to understanding and investigation. Each book helps you to conduct your own experiments and activities, and to learn more about the world around us.
![Gravity: Forces and Motion (Do It Yourself) [8歲及以上]](https://img.xiaohuasheng.cn/1/Book/20190608122317334.jpg)
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