Earth-Shaking Science Projects about Planet Earth (Rockin' Earth Science Experiments)

How do we know Earth is round? What are the layers inside Earth? How do continents move? The exciting experiments in this book will unlock the secrets of our planet. Some will even give you ideas for your own science fair. All you need are some simple materials, most of which can be found around your home, school, or neighborhood. So get started and discover that earth science rocks!