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What is the Center of Gravity? |
$225.00 |
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$225.00 |
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What Makes a Car Move? |
$225.00 |
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$225.00 |
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Can we Classify Rocks? |
$225.00 |
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$225.00 |
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What Properties are used to Identify Metals? |
$175.00 |
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$175.00 |
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What are Senses? |
$595.00 |
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$595.00 |
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What Material will Keep us Warm? |
$225.00 |
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$225.00 |
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