Earth science isn't just about the solid parts of our planet--mountains, oceans, soil, rock, and other features. It's about the air and natural processes that shape Earth as well as the stars and planets that we can view in the night sky. Six fascinating fields of this wide-ranging area of science are introduced in these inviting volumes, including astronomy, geology, and oceanography. Readers will appreciate the carefully researched text, which makes key curricular topics accessible and comprehensible. Real-world photographs and well-crafted graphic organizers aid readers in understanding the most essential concepts.