Earth is made of different thingsgases, rocks, soil, and water. A gas is something that can change shape and size. Gases helps beginning readers understand this basic element by looking at examples such as air and steam; the book also discusses how gases help protect the Earth.
Formato PDF ● Pagine 24 ● ISBN 9780822563341 ● Casa editrice Lerner Publishing Group ● Pubblicato 2005 ● Scaricabile 3 volte ● Moneta EUR ● ID 5845979 ● Protezione dalla copia Adobe DRM
Richiede un lettore di ebook compatibile con DRM