Simple machines (North Mankato, Minn.)
Author
1) Levers
Author
Pub. Date
[2008]
Accelerated Reader
IL: LG - BL: 3.6 - AR Pts: 1
Description
Text and activities introduce levers and explain how levers work.
2) Pulleys
Author
Pub. Date
[2008]
Accelerated Reader
IL: LG - BL: 3.9 - AR Pts: 1
Description
Explains how a pulley works and introduces the ways they are used in everyday life.
3) Screws
Author
Pub. Date
[2008]
Accelerated Reader
IL: LG - BL: 4.2 - AR Pts: 1
Description
Text and activities introduce screws and explain how screws work.
5) Wheels
Author
Pub. Date
[2008]
Accelerated Reader
IL: LG - BL: 3.7 - AR Pts: 1
Description
Explains how wheels work to increase forces and move objects and demonstrates how they are used in everyday life.