Sign up to save your library
With an OverDrive account, you can save your favorite libraries for at-a-glance information about availability. Find out more about OverDrive accounts.
Share
Find this title in Libby, the library reading app by OverDrive.
Search for a digital library with this title
Title found at these libraries:
| Library Name | Distance |
|---|---|
| Loading... |
We use machines every day. This series explores the six types of simple machines that people have used throughout history. Stunning photos, clear text, and simple activities bring the topic to life. Simple machines called ramps make our work easier. Find out about the different types of ramps and how we use ramps in our everyday life.
Share
