Minerals & Materials
Minerals & Materials
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Where do diamonds come from?
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Where does gold come from?
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How are pearls made?
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Where does plastic come from?
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How does sheep's wool become a sweater?
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Where does silver come from?
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How is glass made?
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How is rubber made?
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What is dust?
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Why does wood float?
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How is aluminum foil made?
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What is texture?
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Where do dust bunnies come from?
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What is crystal?
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What is Iron?
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How is fabric made?
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What is porcelain made of?
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Where does copper come from?
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What are minerals?
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What is a fossil?
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Where does salt come from?
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Where does cotton come from?
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Where does silk come from?
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What is calcium?