Age
6+
Grade
1-2
Allan Fowler
Simple Machines
Library Binding
(Childrens Pr March 1, 2001)
Describes and compares the four kinds of simple machines, levers, pulleys, wheels, and ramps.
- Series
- Rookie Read-About Science
- ISBN
- 0516216805 / 9780516216805
- Pages
- 31
- Weight
- 6.1 oz.
- Dimensions
- 7.8 x 0.5
in.