Peter Rees: Why Do Swings Swing?
(fb2, 16 страниц, 75 Kb)
Жанр: Pearson
Издательство: Cambridge University Press, 2010
A series of twenty non-fiction science readers which engages children in the world around them. Why do swings swing? Why do swings stop swinging? What makes things change direction? You can find the answers to these and other questions about movement in Why Do Swings Swing?