Which phrase best describes nuclear fusion?(1 point)

Question

Responses

the process by which a large nucleus is divided into smaller nuclei
the process by which a large nucleus is divided into smaller nuclei

a series of reactions in which particles from one reaction trigger the next reaction
a series of reactions in which particles from one reaction trigger the next reaction

the process by which small nuclei combine into a larger nucleus
the process by which small nuclei combine into a larger nucleus

the spontaneous emission of radiation from an unstable nucleus

Which phrase describes a nuclear chain reaction?(1 point)
Responses

a type of reaction which only takes place in the sun and other stars
a type of reaction which only takes place in the sun and other stars

a series of reactions in which particles from one reaction trigger the next reaction
a series of reactions in which particles from one reaction trigger the next reaction

a reaction in which particles spontaneously emit radiation
a reaction in which particles spontaneously emit radiation

a reaction in which small nuclei combine into a larger nucleus

Which option would be an appropriate model of nuclear fission?(1 point)
Responses

cutting a cake in half
cutting a cake in half

disturbing a drop of water such that it breaks into smaller droplets
disturbing a drop of water such that it breaks into smaller droplets

taking a teaspoon of sugar from a bowl
taking a teaspoon of sugar from a bowl

dividing a stack of paper equally between two people

Answer 1

1. The phrase that best describes nuclear fusion is:
   the process by which small nuclei combine into a larger nucleus.

2. The phrase that describes a nuclear chain reaction is:
   a series of reactions in which particles from one reaction trigger the next reaction.

3. An appropriate model of nuclear fission is:
   disturbing a drop of water such that it breaks into smaller droplets.