Nuclear Reactions

Which of the following is common to both nuclear fusion and nuclear fission?

• A chain reaction is needed to start the reaction.

• Radioactive waste is produced as a byproduct.

• Matter is converted into energy.

• Temperatures over 1 million ºC are needed for the reaction to occur.

Tags

NGSS.HS-PS1-8

The equation represented is what kind of reaction?

• nuclear fusion

• nuclear fission

• gamma radiation

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The half-life of Practinium-226 is 2 minutes. If you started with 20 grams of Pa-226, how much do you have after 8 minutes?

• 10 g

• 5 g

• 2. 5 g

• 1.25 g

Tags

NGSS.HS-PS1-8

Carbon-14 has a half life of approximately 5,700 years. How much of a 1000 g sample will be left undecayed and still radioactive after 11,400 years?

• 1000 g

• 500 g

• 250 g

• 125 g

Tags

NGSS.HS-PS1-8

Which radioactive decay can be stopped by a piece of paper?

• alpha

• beta

• gamma

• all of the above

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NGSS.HS-PS1-8

In order to be blocked, which of the following requires several feet of concrete or a thick sheet of very dense material such as lead?

• alpha

• beta

• gamma

• all of the above

Which of the following are acceptable ways to dispose of nuclear waste from a nuclear power plant?

• Dump it in the ocean far from land.

• Bury it it deep in a concrete vault with a thick lead lining.

• Put it in sealed drums in a controlled warehouse environment.

• All of the other answers are correct.

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

Nuclear fusion is most likely to be found where?

• in the core of the Sun

• in the core of the Earth

• in nuclear power plants

• in microwave ovens

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NGSS.HS-ESS1-1

Nuclear power plants can create high-level radioactive waste. MOST nuclear waste can remain hazardous for up to

• several hundred years.

• several thousand years.

• several hundred thousand years.

• several billion years.

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

Which is an advantage of nuclear energy?

• It produces no air pollution.

• It causes no heat pollution.

• It has no chance for accidents.

• It produces radioactive waste.

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NGSS.HS-ESS3-2