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How Big? How Heavy? How Dense?

62,90 €

A light beach ball floats on the water. A heavy rock sinks in the mud. Matter is all around us. But what makes a beach ball different from a rock? And what properties do we use to compare matter? Read this book to find out!

ISBN
9780761372233
Språk
engelska
Utgivningsdatum
1.1.2011
Sidor
32