Explores the principles of force and motion, describing how they have been applied from ancient to modern times.

Photographs and text introduce scientific concepts related to energy, explaining what energy is and what it affects, describing how people have used energy throughout human history, and providing additional facts, statistics, and a time line.

Defined as the ability to do work, energy is one of the most crucial concepts in physical science existing seemingly everywhere and in everything. In this book, readers will learn how energy affects the movement of objects through the air, the warmth we feel on our skin when the sun shines, and many concepts in between. Readers will also conduct energy experiments and find out how humans have learned to harness energy in different ways. Features include...

Explores properties of forces such as friction and gravity, through experiments using equipment that is readily available both in homes and schools.

"Introduces the connection between force and motion and describes the effects of air resistance, mass, and gravity"--Provided by publisher.

Simple text and illustrations describe what energy is, focusing on static electrcity as one example.