تفاصيل الكتاب
تنسيق
غلاف ورقي
صفحات
24
لغة
الإنجليزية
منشور
Jan 1, 2005
الناشر
Lerner Pub Group
رقم ISBN-10
0822526166
رقم ISBN-13
9780822526162
الوصف
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.