Put Levers to the Test - Feldmann, Roseann; Walker, Sally M
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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 dont take our word for it. Put levers to the test with the fun experiments youll find in this book.

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Produktbeschreibung
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 dont take our word for it. Put levers to the test with the fun experiments youll find in this book.
Autorenporträt
Roseann Feldmann earned her B.A. degree in biology, chemistry, and education at the College of St. Francis and her M.S. in education from Northern Illinois University. As an educator, she has been a classroom teacher, college instructor, curriculum author, and administrator. She currently serves as the principal at St. Peter School, an elementary school in Geneva, Illinois.