Fission and Fusion

What process occurs when two smaller nuclei combine to form a larger nucleus, releasing large amounts of energy?

• nuclear decay

• nuclear transmutation

• fission

• fusion

Tags

NGSS.HS-PS1-8

What occurs in a nuclear power plant when Uranium-235 splits into two smaller isotopes?

• nuclear fusion

• nuclear fission

• a chemical reaction

• a neutralization reaction

Tags

NGSS.HS-PS1-8

What is the difference between fusion and fission?

• Fusion combines large nuclei, while fission combines small nuclei.

• Fusion combines small nuclei, while fission combines large nuclei.

• Fusion combines large nuclei, while fission splits small nuclei.

• Fusion combines small nuclei, while fission splits large nuclei.

Tags

NGSS.HS-PS1-8

Of the following reactions, which is a fusion reaction?

• carbon-14 decaying into nitrogen-14 and a beta particle

• uranium-235 absorbing a neutron and splitting into xenon-140, strontium-94, and two neutrons

• curium-246 combining with carbon-12 to form nobelium-254 and four neutrons

• hydrochloric acid combining with sodium hydroxide to form a salt and water

Tags

NGSS.HS-PS1-8

Where does the energy released in a nuclear reaction come from?

• electrons

• chemical bonds

• positrons

• the binding energy of the nucleus

Tags

NGSS.HS-PS1-8

The diagram shows a nuclear reaction.

What type of reaction is shown in the diagram?

• fusion, because the reaction released energy

• fission, because the reaction absorbed energy

• fusion, because the reaction formed heavier nuclei

• fission, because the reaction formed lighter nuclei

Tags

NGSS.HS-PS1-8

The diagram shows a nuclear reaction.

What type of reaction is shown in the diagram?

• fusion, because the reaction released energy

• fission, because the reaction absorbed energy

• fusion, because the reaction formed heavier nuclei

• fission, because the reaction formed lighter nuclei

Tags

NGSS.HS-PS1-8

Is this reaction fission or fusion?

• fission

• fusion

Tags

NGSS.HS-PS1-8

Is this reaction fission or fusion?

• fission

• fusion

Tags

NGSS.HS-PS1-8

Is this reaction fission or fusion?

• fission

• fusion

Tags

NGSS.HS-PS1-8