How Pulleys Work

How Pulleys Work

Book - 2007
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Forces and motion are key concepts in the elementary science curriculum. How Simple Machines Work uses easy-to-read text and full-color photographs to help young readers understand the principles behind simple machines. Each volume includes three diagrams to enhance understanding. The text has been vetted by a science curriculum consultant and a reading consultant, allowing students to build reading skills as well as their knowledge of science concepts.
Publisher: Milwaukee, WI : Weekly Reader Early Learning Library, [2007]
Copyright Date: ©2007
ISBN: 9780836873481
Characteristics: 24 pages : color illustrations ; 19 cm.

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