A fundamental look at the science of gravity, including early scientific discoveries and the ways that gravity affects us. Also featured is a simple activity using marbles.

Part of the series

What makes a compass point north? How can water take three different forms? Kids are full of questions about the workings of the world around them, and they’ll find useful answers in Simple Science. Each book takes a fundamental look at one of four scientific phenomena, offering accessible explanations through a combination of basic language, vibrant photos, and easy-to-do activities.