2.7 Star Power Quiz

What is the main source of energy for stars?

• Nuclear fission

• Solar radiation

• Nuclear fusion

• Chemical reaction

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NGSS.HS-PS1-8

NGSS.HS-ESS1-1

What is the process in which nuclei of two or more atoms fuse together, giving off tremendous amounts of energy?

• Solar radiation

• Chemical reaction

• Nuclear fusion

• Nuclear fission

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NGSS.HS-PS1-8

What is the role of particle accelerators in studying nuclear fusion in stars?

• To propel particles

• To simulate conditions in the first minutes of the Universe or in stars

• To study chemical reactions

• To create new particles

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NGSS.HS-PS1-8

NGSS.HS-ESS1-1

What is the main difference between nuclear fusion and nuclear fission?

• Fission involves splitting of atoms, while fusion involves joining of atoms

• Fusion involves splitting of atoms, while fission involves joining of atoms

• Fission releases more energy than fusion

• Fusion releases more energy than fission

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NGSS.HS-PS1-8

What is the primary fuel for nuclear fusion reactions in stars like the Sun?

• Carbon

• Hydrogen

• Oxygen

• Helium

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NGSS.HS-ESS1-1

What is the purpose of a thermonuclear bomb?

• To create new elements

• To generate electricity

• To study nuclear fusion in stars

• To release enormous amounts of energy

What is the name of the well-known particle accelerator in California?

• CERN

• NASA

• ESA

• SLAC

What do scientists learn from particle accelerators?

• How to create new elements

• How atoms came together in the first few minutes of the Universe

• How to generate electricity

• How to study chemical reactions

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-2

What is the temperature of the surface of the Sun?

• 5,000 F

• 10,000 F

• 15,000 F

• 20,000 F

What is the characteristic of stars that makes them good nuclear fusion reactors?

• High surface temperature

• High radiation levels

• High mass

• High pressure at the center

Tags

NGSS.HS-ESS1-1