How did the ancient Egyptians build the pyramids? How do we build giant skyscrapers today? To understand these marvels, you need to understand simple machines such as levers and inclined planes. Machines and Motion contains 35 lessons that will teach your child about simple machines and the laws of motion, which are the basic principles governing the physical world around us. 35 lessons. Full-color.

Machines & Motion 2016, Answers in Genesis

ISBN-13: 9781626914636

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Machines & Motion 2009, Answers in Genesis

ISBN-13: 9781600921582

3rd Updated, Expanded edition

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Machines & Motion 2006, Answers in Genesis

ISBN-13: 9781893345874

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