|Raising a bag of toys : pulley vs. inclined plane (First step nonfiction. Simple machines to the rescue)|
Author: Schuh, Mari C.
Is it easier to lift a bag full of toys with an inclined plane or a pulley? Readers will see how a group of kids compares two simple machines and decides which one does a better job at lifting the bag.
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|Accelerated Reader Information:|
Interest Level: LG
Reading Level: 1.30
Points: .5 Quiz: 178011
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