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Type: BOOK - Published: 2013-07 - Publisher: Enslow Publishers, Inc.
How are sounds produced? Does light travel in a specific path? Are all shadows black? Using easy-to-find materials and the scientific method, you can learn the
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Type: BOOK - Published: 2010-01-01 - Publisher: Enslow Publishing, LLC
"Explains how to use the scientific method to conduct several science experiments about light, sound, and waves. Includes ideas for science fair projects"--Prov
Language: en
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Pages: 516
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Language: en
Pages: 616
Pages: 616
Type: BOOK - Published: 1859 - Publisher: Philadelphia : Parry & McMillan