simple machines

"Can you solve your problem with an inclined plane or a lever? Readers will learn about how simple machines work in this book for early readers."--.

An introduction to wheels and axles that describes their parts, functions, uses, and history.

Introduces young readers to inclined planes, discussing what they are, how they are used and more.

An exploration of wheels and axles, covering how they are used, their design, how they work, and more.

An illustrated introduction to machines.

Explores the science of forces and motion through seven simple experiments that can be done at home. Includes step-by-step instructions, color photographs, a glossary, and further resources.

Presents information on simple machines with a focus on wheels and axles. Explains what wheels and axles are, how wheels and axles work, and includes examples of uses.

Text and pictures introduce the wedge, a simple machine used primarily to split objects.

Text and pictures introduce the screw, a simple machine used as a ramp, to lock things together, and more.

Text and pictures introduce the inclined plane, a simple machine consisting of a slanted surface or ramp to make work easier.