"Discusses speed, the science behind measuring speed, and the different devices used to measure speed"--Provided by publisher.
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Grade 4–7—Sullivan covers a lot of ground in these volumes—including velocity, reaction speed, and supersonic flight (Speed) and gravity, buoyancy, and weighing atoms (Weight)—yet no one topic is explored in much depth. Examples using familiar objects and excellent full-color graphics help to bring concepts to life. Historical discoveries and measurement systems through the ages and around the world are emphasized and linked to present-day American methods. Several at-home experiments are included. While potentially confusing as stand-alone reading, these titles may be useful as supplements to existing science curricula.—Amanda Moss, Maywood Elementary School, Monona, WI
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Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 57312510-6