Age
8-10
Grade
3-5
Angela Royston
Springs
Paperback
(Heinemann July 3, 2003)
Springs have been used for more than 500 years as a simple machine that can make other machines work. When you open a screen door, open an umbrella, sit on a sofa, or sleep on a mattress you are using springs. This book explains what springs are and how they help you do everyday things. Topics include: Why won't a Slinky go up stairs? How can a catapult help a place take off? How does a clock work?
- Series
- Machines in Action
- ISBN
- 1403440883 / 9781403440884
- Pages
- 32
- Weight
- 4.5 oz.
- Dimensions
- 7.5 x 0.1
in.