Worksheet: Fusion in Stars

In this worksheet, we will practice how to describe the process of nuclear fusion in stars and supernovas, and the elements that are produced.

Q1:

Once the hydrogen in the core of a star runs out, what element does the star begin to fuse next?

  • ALithium
  • BBeryllium
  • CCarbon
  • DHelium
  • EBoron

Q2:

Nuclear fusion only happens in the of a star, where the and are high enough to allow nuclear fusion to occur.

  • Acore, temperature, viscosity
  • Bcore, temperature, pressure
  • Couter layers, pressure, viscosity
  • Dcore, temperature, gravitational potential
  • Eouter layers, temperature, pressure

Q3:

Once the hydrogen and the helium in the core of a star runs out, what element does the star begin to fuse next?

  • ACarbon
  • BIron
  • CBeryllium
  • DLithium
  • EBoron

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