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Put Levers to the Test: Searchlight Books: How Do Simple Machines Work?

Autor Sally M Walker, Roseann Feldmann
en Limba Engleză Paperback – 31 iul 2011 – vârsta de la 7 până la 9 ani

What do hammers, wheelbarrows, and brooms have in common? All of them are levers Levers are simple machines. They help us to do jobs more easily. But don't take our word for it. Put levers to the test with the fun experiments you'll find in this book. As part of the Searchlight Books(TM) collection, this series sheds light on a key science question―How Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer

-- "Journal"
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Specificații

ISBN-13: 9780761378662
ISBN-10: 0761378669
Pagini: 40
Dimensiuni: 165 x 224 x 5 mm
Greutate: 0.11 kg
Editura: Lerner Classroom
Seria Searchlight Books: How Do Simple Machines Work?


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