Overview

What do a doorstop, a butter knife, and the front of a boat have in common? All of them are wedges! Wedges are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wedges to the test with the fun experiments you'll find in this book. As part of the Searchlight Books collection, this series sheds light on a key science question eaHow Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!

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9780761378693

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Reviews

The first two chapters in each title are nearly identical, although there are occasional changes in the photographs and the examples used to define the concepts work and machines. Subsequent chapters feature a specific simple machine and provide directions for basic experiments that children can accomplish, with the occasional exception, on their own, using easily located items. Final chapters explain that simple machines are everywhere. On the whole, the texts provide clear explanations and the experiments add a significant degree of interest. The color photographs are crisp and clear, as are the diagrams. Serviceable additions where the topics are a part of the curriculum. --School Library Journal, Series Made Simple --Journal

Author Information

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. Sally M. Walker has been a children's book writer for over 20 years. Most of her books are nonfiction and present various science topics to young readers. Fossil Fish Found Alive is the story of the hunt for the elusive fish called the coelacanth. Sally also enjoys combining science investigation with historical topics. Her book Secrets of a Civil War Submarine, which won the 2006 Robert F. Sibert Medal, tells about the history, loss, and re-discovery of the first submarine to sink an enemy ship in battle. Written in Bone: Buried Lives of Jamestown and Colonial Maryland takes readers on archaeological expeditions, where the forensic analysis of colonial settlers' bones helps us to understand their lives. Sally especially enjoys writing narrative nonfiction that captures the reader's attention with a true story. She is also the author of 2019 Orbis Pictus Honor Book Champion: The Comeback Tale of the American Chestnut.

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