Fusion and Fission

The splitting of a nucleus into smaller nuclei is

• fission

• fusion

• half-life

• gamma radiation

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NGSS.HS-PS1-8

Takes two small nuclei and combines them into a larger nucleus

• fission

• fusion

• half-life

• radioactivity

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

How do nuclear power-plants work?

• fission

• fusion

• hydropower

• fission and fusion

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NGSS.HS-PS1-8

Where does fusion occur naturally?

• on the Sun

• underwater

• all around us

• in the radioactive waste

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

An example of an uncontrolled fission reaction is _______________

• nuclear power plants

• atomic bombs

• radioactive decay

• on the surface of the Sun

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NGSS.HS-PS1-8

The major drawback to nuclear fission reactors is _____________.

• the difficulty of achieving safe disposal of radioactive waste products.

• the risk of accidentally making a bomb

• no one really knows how to turn it into useful energy

• they are too expensive to build and maintain

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NGSS.HS-ETS1-3

What is a proton?

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• A subatomic particle that has no charge and that is found in the nucleus of an atom

• A subatomic particle that has a positive charge and that is found orbiting around the nucleus of an atom

• A subatomic particle that has a negative charge and that is found in the nucleus of an atom

What is a neutron?

• A subatomic particle that has no charge and that is found in the nucleus of an atom

• A subatomic particle that has no charge and that is found orbiting around the nucleus of an atom

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• A subatomic particle that has a negative charge and that is found in the nucleus of an atom

Tags

NGSS.HS-PS1-8

Which radioactive emission is the most dangerous

• alpha

• beta

• gamma

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NGSS.HS-PS1-8

What fraction of a radioactive sample is left after two half-lives have elapsed?

• 1/4

• 1/2

• 3/4

• not enough information to say

Tags

NGSS.HS-PS1-8