Nuclear Fusion & Fission

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1. Nuclei can only fuse together if they ..

  • ... have a high enough force.
  • ... overcome the repulsive electrostatic force and get close enough for the strong force to hold them together.
  • ... have a large enough mass.
  • ... are far enough away from eachother.
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2. This process requires a lot of energy. To create this energy, we need...

  • ... lots of noise.
  • ... a high temperature.
  • ... a low temperature.
  • ... lots of space.

3. Nuclear fusion converts...

  • ... atoms into ions.
  • ... mass into energy.
  • ... energy into mass.
  • ... mass into atoms.

4. When nuclei undergo nuclear fusion or fission, they...

  • ... lose energy and mass is released.
  • ...gain energy and no mass is released.
  • ... lose mass and energy is released.
  • ... gain mass and the no energy is released.

5. Two Hydrogen nuclei fuse together to make...

  • ...Carbon nuclei.
  • ... Helium nuclei.
  • ... Oxygen nuclei.
  • ... Hydrogen nuclei.

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