Roll, Slope, and Slide: A Book About Ramps (Amazing Science: Simple Machines)

Skateboards, roller coasters, and playground slides, all of these are ramps. From award-winning author Michael Dahl, this nonfiction picture book provides an introduction to one of the most important machines humans rely on. With fun facts and bright illustrations, find out how people use ramps every day.

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• Motion: Push and Pull, Fast and Slow (Amazing Science)
• Forces Make Things Move (Let's-Read-and-Find-Out Science 2)
• Simple Machines (Let's-Read-and-Find-Out Science 2)
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• Push and Pull (Rookie Read-About Science)
• How Do You Lift a Lion? (Wells of Knowledge Science Series)
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