Introduces simple machines, including screws, levers, wedges, and pulleys, describes how each makes everyday life easier, and provides activities demonstrating these machines in action.

Introduces simple machines, including screws, levers, wedges, and pulleys, describes how each makes everyday life easier, and provides activities demonstrating these machines in action.

Uses simple experiments to explore wheels, pulleys, levers, friction, and lift in terms of inventions and discoveries underlying the modern mechanical world.

It's time to go to the amusement park! Giant rides loom around you, and countless parts are in motion. But many simple machines are at work too. See the Ferris wheel? That's a wheel and axle. Try your luck at skee-ball. You're using an inclined plane. Find out more about the simple machines behind the excitement.

Educational resource for teachers, parents and kids!

"Simple Machines! introduces kids to the concept of mechanical advantage and harnesses kid-power by inviting them to build machines of their own design. This book also opens eyes and minds to the diversity of machines in their lives, and sparks the imagination with challenge, humor, and achievable projects"--Publisher.

Introduces six simple machines, describing how they work in more complex machinery and how they are used every day.