Chemistry
What makes matter expand when it's heated and contract when it's cooled?
More Questions from Chemistry
What are vast amounts of oil that have become trapped in one place called?
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Which of these is a heavy gas used in specialized electric lamps?
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What is the second most common metal on Earth, and the most widely-used metal?
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What symbol appears on the periodic table for the element with the atomic number 6?
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Which creature uses its Jacobson's Organ to identify chemical signals?
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