Sign up for FREE

Checkpoint Review

Last updated over 3 years ago

5 questions

1

1

1

1

1

Question 1

1.

Which of the following is true about the process of nuclear fusion?

In stars, hydrogen combines with helium to produce 3 helium atoms.

Energy is used up during fusion and heavier elements are created.

Nuclear fusion occurs in the cores of stars, releasing energy to power the stars.

Stars run mainly on the fusion of helium into carbon.

Question 2

2.

Which layer of the sun does the process of nuclear fusion take place?

Core

Radiative Zone

Corona

Photosphere

Question 3

3.

Nuclear fusion can create all elements heavier than hydrogen.

True

False

Question 4

4.

What is the outer layer of the sun that is visible during a solar eclipse?

Core

Radiative Zone

Photosphere

Corona

Question 5

5.

What happens through the process of convection in the convection zone of the sun?

Hot plasma rises and cooler plasma sinks

Cooler plasma rises and hot plasma sinks

Plasma moves outwards toward the photosphere

Plasma condenses into the core