Discover the science behind movement by building their own carousel, speedboat, and solar-powered fan.Movement is a key part of many inventions. In this book, readers (Grades 3-5) will discover the science behind movement by building their own carousel, speedboat, and solar-powered fan. They will find out how different types of energy work and which forces affect moving objects. They will also learn about some of history's coolest moving inventions.
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