gravity

Introduces young readers to the role of gravity, explaining what gravity is, how it was discovered, its basic theories, and other related topics.

Experiments introduce and explain the concept of gravity.

Explains in simple text and illustrations what is known about the force of gravity.

Explores the way that gravity affects everything in our world from the way that lifts andbalances work to the way planets orbit the Sun.

Simple experiments introduce the basic concept of gravity and its relationship to weight.

Simple language and humorous illustrations show how forces make things move, prevent them from starting to move, and stop them from moving.

Discusses what gravity is, what it does, and how it affects people.