Unit 5 Practice Test: Nuclear

The process of combining two hydrogen nuclei into a helium atom with the release of tremendous quantities of energy is called ___.

• nuclear fusion
• combustion
• radioactivity
• nuclear fission

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which process is used by nuclear power plants to produce energy?

• Nuclear fission
• Nuclear fusion
• Nuclear isotope
• Nuclear meltdown

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NGSS.HS-PS1-8

The nuclear reaction used in nuclear power generating plants can be dangerous. This is because the byproducts are __.

• very hot
• acidic
• mostly poisonous gas
• highly radioactive

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NGSS.HS-PS1-8

What is the process of splitting atoms to release usable stored energy?

• nuclear fusion
• nuclear fission
• combustion
• radiation

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NGSS.HS-PS1-8

Which statement describes nuclear fission?

• The nucleus of a large atom is split by a neutron into smaller nuclei and energy is released.
• A neutron combines with the nucleus of a large atom and releases energy.
• The nuclei from two elements are forced together under high temperature and pressure to release energy.
• The nucleus of a reactive element combines with another nucleus to release energy.

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NGSS.HS-PS1-8

The sun produces energy through nuclear fusion. This means that what process occurs inside the sun?

• collision and joining of atoms
• cooling of atoms
• stabilization of atoms
• splitting of atoms

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which element can be used to start nuclear fission reactions?

• plutonium
• phosphorous
• hydrogen
• helium

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NGSS.HS-PS1-8

Which is a benefit of using nuclear power?

• Makes us less reliant on fossil fuels
• Exposes workers to hazards in nuclear facilities
• Generates radioactive nuclear waste
• Causes thermal pollution to water systems

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NGSS.HS-PS1-8

Which statement best summarizes the consequences of using nuclear energy?

• There are both positive and negative effects from the use of nuclear energy.
• There are only positive effects from the use of nuclear applications.
• There are only negative effects from the use of nuclear applications.
• The negative effects greatly outweigh the positive effects in nuclear applications.

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NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Alpha particles.....

• a) are positively charged.
• b) consist of two protons and four neutrons.
• c) can penetrate any thickness of matter
• d) All of the above 

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NGSS.HS-PS1-8