9781422283691

Contents

Introduction Planet Earth

4 6 8

Formation and Structure

The Cracked Crust

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48

On the Edge

Rocks and Minerals

Recycled Rocks

Under the Weather

Planet Water

The Blanketing Atmosphere

Water Cycle

Living Planet

The Earth’s Moon Circling the Earth

Small World

Highlands and Lowlands Countless Craters Inside the Moon The Astronauts' Moon

Time Line

Nothing but the Facts Words to Understand

Index