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What are the Physical Changes of Water? |
$225.00 |
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$225.00 |
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What is the Life Cycle of a Frog? |
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$225.00 |
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What are Magnetic Fields? |
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Does it Fly, Walk, Swim, or Slither? |
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$225.00 |
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Can we Design New Machines? |
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$225.00 |
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What Role does Our Sun Play in Our Solar System? |
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$225.00 |
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How does Mass Affect Motion? |
$175.00 |
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$175.00 |
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