Обложка книги Why Do Balls Bounce? Level 6 Factbook, Rob Moore  
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2010
24 страницы
Категория: Книги
ISBN: 9780521137447
 
📕 A series of twenty non-fiction science readers which engages children in the world around them.

What is gravity? Why don't skydivers fall off into space? Do heavy objects fall faster than light objects? You can find the answers to these and other questions about gravity in Why Do Balls Bounce?

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