This series takes a fundamental look at the area of motion. Each book examines different topics including: the use of force to get objects moving or stopping, the effects of gravity, the force of water, speed, friction, and the direction in which different objects, plants, and animals move.

Straight and Curving 2006, Raintree, Chicago, IL

ISBN-13: 9781410922601

Hardcover

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Straight and Curving 2006, Heinemann Library

ISBN-13: 9781410922656

Trade paperback

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