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Lesson: Nuclear Fission

In this lesson, we will learn how to describe the process of nuclear fission and how nuclear fission reactors work.

Sample Question Videos

01:46

Worksheet • 11 Questions • 1 Video

Q1:

An atomic nucleus in the core of a nuclear reactor is struck by a neutron, causing it to split into two smaller nuclei and release several neutrons. What is the name of this process?

  • AInduced nuclear fission
  • BBeta decay
  • CSpontaneous nuclear fission
  • DAlpha decay
  • ENuclear fusion

Q2:

Which of the following materials is used for the control rods in a nuclear fission reactor?

  • ABoron
  • BIridium
  • CGraphite
  • DUranium
  • EConcrete

Q3:

Which of the following correctly describes the process of induced nuclear fission?

  • AThe nucleus of an atom of a fissionable substance is struck by a neutron, causing the nucleus to split into two smaller fragment nuclei and release several neutrons.
  • BThe nucleus of an atom of a fissionable substance is struck by a neutron, which is absorbed. The nucleus then becomes unstable and decays via beta decay.
  • CThe nucleus of an atom of a fissionable substance is struck by a proton, causing the nucleus to split into two smaller fragment nuclei and release several protons.
  • DThe nucleus of an atom of a fissionable substance is struck by a neutron, causing the nucleus to split into at least three smaller fragment nuclei.
  • EThe nucleus of an atom of a fissionable substance is struck by an electron, causing the nucleus to split into two smaller fragment nuclei and release several electrons.
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