Machines Make It Move (National Geographic: Reading Expeditions, Physcial Science) - Softcover

Tomecek, Stephen M.

 
9780792288848: Machines Make It Move (National Geographic: Reading Expeditions, Physcial Science)

Inhaltsangabe

Simple machines make work easier. Discover how simple and compound machines lift things up, roll things along, turn things around, and even help your own body work. Learn how simple machines helped build the pyramids and change our world today.

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