Will It Float or Sink?
$29.99
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A rubber duck floats in the tub. A rock sinks to the bottom of a lake. Why do some objects float and others sink? Find out in this series about materials and their properties. Informative, at-level text and engaging photos help readers understand the differences between objects that sink and float.
Will It Float or Sink?
$29.99
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$29.99 each