Explains the concept of push and pull movement, using many examples.

There are forces at work whenever you throw a ball, run up the stairs, or push your big brotheroff the couch. Want to learn more about the forces around you? Re

Get Your Move On! In Making Things Move: DIY Mechanisms for Inventors, Hobbyists, and Artists, you'll learn how to successfully build moving mechanisms through

Describes simple machines and how they are used.

Simple text introduces how different objects move, in different patterns and in different speeds, when pushed or pulled.