Age
7-9
Grade
2-4
Dana Meachen Rau
Simple Machines
Library Binding
(Turtleback Books Sept. 1, 2011)
, Bound for Schools & Libraries ed. edition
FOR USE IN SCHOOLS AND LIBRARIES ONLY. How did workers in ancient civilizations move the huge stones they used to build cities? They rolled the stones over logs much like a modern-day conveyor belt..
- Series
- True Books: Physical Science (Paperback)
- ISBN
- 0606373616 / 9780606373616
- Pages
- 48
- Weight
- 9.6 oz.
- Dimensions
- 7.1 x 0.4
in.