Grade
3-4
Christopher Lampton
Bathtubs,Slides,Roller Coaster
Paperback
(Millbrook Press March 1, 1991)
, 1st Printing edition
Explains the concepts of simple and complex machines, and describes inclined planes, including screws and wedges, and how they work
- Series
- Gateway
- ISBN
- 1878841440 / 9781878841445
- Weight
- 3.2 oz.
- Dimensions
- 7.5 x 0.2
in.