Nuclear Power quiz
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What slams into a reactor core to shut it down fast?
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More questions about Nuclear Power
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Which country gets about two-thirds of its power from nuclear?
Answer: France
Why: France's reactor boom began with the 1974 Messmer plan, launched in answer to the 1973 oil crisis.
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Which country raised the first international alarm over Chernobyl?
Answer: Sweden
Why: Radioactive dust from Chernobyl turned up on a worker's shoes at Sweden's Forsmark nuclear plant, setting off its detectors.
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What did Germany's never-used Kalkar reactor become?
Answer: Amusement park
Why: Its old cooling tower now carries a climbing wall outside and a swing ride inside.
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What color glow surrounds reactor fuel kept under water?
Answer: Blue
Why: Called Cherenkov radiation, the blue light comes from particles moving through water faster than light travels in water.
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What does a reactor's moderator do to neutrons?
Answer: Slows them down
Why: Slow neutrons split uranium-235 far more easily than fast ones, so slowing them helps keep the chain reaction going.
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How much of nuclear waste by volume is high-level?
Answer: About 3%
Why: That small high-level share holds about 95% of all the radioactivity in civil nuclear waste.
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