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What is the Life Cycle of a Frog? |
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$175.00 |
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What are the Functions of Levers, Wedges, and Inclined Planes? |
$225.00 |
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$225.00 |
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How do Shapes of Lenses affect an Image? |
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What is Bernoulli's Principle? |
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What is Paleontology? |
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What happens when we Combine Simple Machines? |
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$225.00 |
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What is the Science of Bubbles? |
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$225.00 |
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What Makes a Ball Bounce |
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$225.00 |
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