Simple Machines: Wheels, Levers, and Pulleys (Hardcover)

Simple Machines: Wheels, Levers, and Pulleys Cover Image
By David A. Adler, Anna Raff (Illustrator)
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Description


Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our lives.

About the Author


David A. Adler is a former math teacher and author of more than two hundred books for children.  He has collaborated on several science picture books with Anna Raff, including Things That Float and Things That Don't and Light Waves, a finalist for the SB&F Prize for Excellence in Science Books.  He is also the author of the Picture Book Biography series, the Cam Jansen mystery series, as well as books on math and history. He lives in New York.

Anna Raff is an award-winning illustrator of children's books. She illustrated David A. Adler's Simple Machines and Things That Float and Things That Don't, which received starred reviews from both Booklist and Publishers Weekly. She lives in New York City.

Praise For…


"gives accessible examples of the simple machines of the title . . . Pastel illustrations are lively and friendly, with just enough detail."—The Horn Book
 
"as solid a look at simple machines as any that exists outside of dry textbooks."—Kirkus Reviews


Product Details
ISBN: 9780823433094
ISBN-10: 0823433099
Publisher: Holiday House
Publication Date: February 2015
Pages: 32
Language: English

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