Science
Clouds are made up of what?
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What metal is used for most electrical wire and cable?
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What does a ruler measure?
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What is the place where projectors are used to show the night sky?
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What is the largest known land animal?
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What’s the boiling point of water?
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What is the sticky bacteria that forms on teeth and gums?
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What is the name for a body in orbit around the Sun?
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What protects our Earth from harmful rays?
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What metal is used to make cans?
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In which of the following animals does the male give birth to the young?
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What is the opposite to ordinary matter called?
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If you're talking about electricity, what does "DC" stand for?
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Which is not one of the three states of matter?
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What is the only joint of the body with 360 degrees of rotation?
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Discovered by Alexander Fleming, what is now used to treat infections?
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What word best describes dinosaurs?
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Which planet has visible rings around it?
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What is the distance that light travels in a year called?
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What part of the ear leads to the throat?
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