책 세부 정보
형식
페이퍼백
페이지
24
언어
영어
출판됨
Jan 1, 2005
출판사
Lerner Pub Group
ISBN-10
0822526166
ISBN-13
9780822526162
설명
Earth is made of different things—gases, 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.