Physics
The sun is made up of 99.9% of ________________ and ______________?
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The Big Dipper is part of which constellation?
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What are the names of the two stars in the Big Dipper used to locate Polaris?
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What causes the Moon’s phases?
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The large dark patches on the Moon’s surface are known as___________?
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Which one is the brightest star in the night sky?
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The SI base unit for mass is_____________?
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Color of the glow produced in the discharge tube:
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Nuclear radiation is emitted by those elements whose:
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