Science
What is a lever?
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What is an angle that an airplane's wings make with a horizontal plane called?
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What is the term for the capacity of a body or system to do work?
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What space object did some ancient cultures rely on to tell the passage of time?
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How many years does it take for Mars to go around the Sun for a complete revolution in its orbit?
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On which college campus would you find the Hatter Planetarium?
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Who was the last person to set foot on the moon in 1972?
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What does splitting a laser light into two beams through a silver mirror make?
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What is matter that allows light to pass through called?
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