simple machines

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

An exploration of inclined planes, covering how they are used, their design, how they work, and more.

Introduces simple machines and examines which ones may be found at a school and on the school grounds.

"Carefully leveled text and vibrant photographs show early fluent readers some of the physics principles that make bicycles work as they do. Includes activity, glossary, and index."--.

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

"Is it easier to lift toys with a wheel and axle or a wedge? Readers will learn about how simple machines work in this book for early readers"--Provided by publisher.

Two students go to an equipment rental and repair shop for help with their science fair project on machines, and are given a tour by the owner which includes an introduction to the lever, wheel and axle, pulley, wedge, inclined plane, and screw, as well as compound machines such as a bicycle, a typewriter, and a corkscrew.

"Is it easier to move produce with a lever or a wheel and axle? Readers will learn about how simple machines work in this book for early readers."--Provided by publisher.

The Islanders improve their coconut delivery business by applying what they learn about springs.