¿Qué hace que se mueva? (What Makes It Move?)
From the Series ¡Conocimiento a tope! (Full STEAM Ahead!)
Did you know that an object can only move if a force is placed on it? Read about pushing and pulling - the forces that make objects move - and what happens when you change the strength or direction of a force.
Format | Your Price | Add |
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978-0-7787-8397-8
|
$20.95 | |
978-0-7787-8409-8
|
$7.95 | |
978-1-4271-2649-8
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$26.00 |