wheels

Uses simple text, illustrations, and activities to introduce wheels and cogs and how they work.

Explores the wheel through projects involving rollers, carts, wagons, and other devices using wheels to function.

An introduction to wheels and how they are used in machines.

Discusses the connections between the wheel and the many uses, inventions, and technological uses that have developed.

Jokes and riddles about cars, buses, trucks, bicycles, motorcycles, and other vehicles on wheels. Example: What age is important to a car? Mile-age.

Describes many different kinds, uses, and benefits of wheels and axles.

"Presents several science experiments and science project ideas using physics and bicycles, skateboards, and roller skates"--Provided by publisher.

Describes wheels and cranks and shows how they have been incorporated into more complex machines.

Uses everyday examples to show how wheels and axles are simple machines that make carrying, pushing, and mixing easier.

A young boy searches all over town for his bike's missing wheel.