Science
What is the opening of a lens, which controls the amount of light?
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According to Ohm's Law, what would the resistance be in a circuit with 40 volts and 8 amps?
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What word is given to sounds that are too high for humans to hear?
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Which scientific term is defined as the rate at which a wave oscillates in cycles?
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What sort of electricity do you get when you rub two balloons and they stick together?
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What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once?
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The image of an object when seen in a mirror is called what?
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