Nuclear Power Ted Ed

What event marked the beginning of the ability to turn nuclear mass into energy?

• The start of World War II

• The invention of the electric turbine

• The creation of the first nuclear reactor

• The discovery of uranium

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NGSS.HS-PS1-8

What percentage of the global electricity market did nuclear power hold at its peak in 1996?

• 34%

• 25%

• 18%

• 11%

What is the main reason behind the decline of nuclear power?

• Global warming concerns

• Inefficiency of nuclear reactors

• High construction costs and public opposition

• Lack of uranium

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NGSS.HS-ESS3-2

What is the role of control rods in a nuclear reactor?

• To capture excess neutrons and keep their number in check

• To enrich uranium

• To generate electricity

• To cool down the reactor

What is used as a moderator in modern nuclear reactors to help sustain the chain reaction?

• Purified water

• Control rods

• Uranium

• Graphite

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NGSS.HS-PS1-8

What happens during a nuclear meltdown?

• Electricity production increases

• Uranium is enriched

• Radioactive vapors escape into the air

• The reactor explodes

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NGSS.HS-PS1-8

What is the half-life of plutonium, a material found in spent nuclear fuel?

• 24,000 years

• 100 years

• 5,000 years

• 1 million years

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NGSS.HS-PS1-8

What is a major security risk associated with storing spent nuclear fuel?

• It emits harmful gases

• Plutonium can be mined to make bombs

• It attracts lightning strikes

• It can explode

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NGSS.HS-PS1-8

How long can an average American household be powered by one kilogram of nuclear fuel?

• 1 year

• 10 years

• 34 years

• 50 years

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NGSS.HS-PS1-8

What is a significant challenge for nuclear reactors in terms of environmental safety?

• Water consumption

• Noise pollution

• Air pollution

• Safely containing radioactive products

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NGSS.HS-ESS3-4

NGSS.HS-ETS1-3