Young readers probably don't realize that brooms are actually machines. The same goes for door handles, stairs, and many other objects that are commonly found in homes. Students will learn about mechanical advantage, force, and energy, and they will be able to recognize the simple machines they use in their own daily lives.

Includes index.

What are simple machines? -- Plane and simple -- The wedge works -- Such a screw! -- Leave it to a lever -- More lever to love -- Pulleys, please! -- The wonderful wheel and axle -- What are complex machines? -- Helping at home.