Switch On, Switch Off (Let's-Read-And-Find-Out Science, Stage 2)

Switch On, Switch Off (Let's-Read-And-Find-Out Science, Stage 2)

by Berger, Melvin, Croll, Carolyn (Ilt)

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Paperback $3.49
Condition Bargain Brand-new publisher overstock that may have a remainder mark and minor wear from handling. Bargain
$3.49

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Electricity makes a lightbulb glow and a radio play music. But how does it really work? Read and find out exactly what happens every time you flip a switch.  
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