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Cyr6 why do balls bounce?

[Libro de texto]
CAMBRIDGE
08 / 2011
Otros
Inglés
Otros
9780521137447
Inglés
CAMBRIDGE YOUNG READERS

Sinopsis

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?