Why does air escape from an untied balloon? What stops us from floating away? How does friction slow things down?

Packed with fun experiments to show you how and why different forces work!

Series Description
Learn about light, electricity, and gravity through practical activities and easy-to-follow explanations of the major elements of science.

Using basic experiments and activities, children will learn about the world around them. Concise text and fantastic photographs provide a clear guide to
scientific principles surrounding each subject.

The series Why It Works includes:
Electricity 978-1-59566-559-1
Light & Dark 978-1-59566-556-0
Material 978-1-59566-557-7
Pushes & Pulls 978-1-59566-558-4