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1by Beller, JoelSubjects “...Electricity Study and teaching (Middle school) United States....”
Published 2000
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2by Margolin, W. MichaelSubjects “...Light Study and teaching (Middle school) United States....”
Published 1998
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3by Souza, StevenSubjects “...Motion Study and teaching (Secondary) United States....”
Published 1999
Book