Nucleosynthesis

Nucleosynthesis

Formation of elements in stars

Multiple Choice

Which subatomic particle identifies the type of atom (element)?

• proton

• neutron

• electron

Multiple Choice

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Multiple Choice

Which subatomic particle has no charge?

• proton

• neutron

• electron

Write down your answers and answer on the next slide.

Multiple Choice

What elements were pictured in the previous slide?

• 1. H

  2. Li

  3. He

  4. H

  5. He

  6. H

• 1. H
  2. Be
  3. H
  4. He
  5. He
  6. H

• 1. He
  2. N
  3. Li
  4. Li
  5. Be
  6. H

Multiple Choice

Which element fuses in a main sequence star?

• Hydrogen

• Helium

• Carbon

• Oxygen

Multiple Choice

Why does helium sink to the middle of the core?

• Helium has more mass

• Helium has less mass

• It doesn't

Go here

https://public.nrao.edu/gallery/animation-of-stellar-nucleosynthesis-inside-a-red-giant/

Multiple Choice

The fusion of ____ in the core indicates the start of a red giant.

• hydrogen

• helium

Multiple Choice

What is the heaviest element a supergiant can produce?

• hydrogen

• carbon

• silicon

• iron

Multiple Choice

Gold is heavier than iron. How does gold exist?

• planetary nebula

• supernova

• main sequence fusion

• supergiant fusion

Go here

https://public.nrao.edu/explore/milky-way-explorer/?location=astrochemistry

Multiple Choice

What type of light allows astronomers to see dark clouds?

• infrared

• ultraviolet

• radio

• gamma