Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do easier.
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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.
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