Why Do Balls Bounce? Level 6 Factbook
ISBN: 9780521137447
Язык: English
Издательство: Cambridge UP
Год издания: 2010
Объём: 24 p.
Серия: Why Do
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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