STAR LIFE CYCLE

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Question 1 of 4

Protostars initially form from dust and gas clouds spiraling in together due to the force of gravity.

Select one of the following:

True
False

Explanation

Question 2 of 4

When temperature gets high enough, hydrogen nuclei begin to undergo what to form helium nuclei and give out massive amounts of heat and light?

Select one of the following:

nuclear fission
nuclear fusion
combustion

Explanation

Question 3 of 4

Fill the blank spaces to complete the text.

Once a star has been formed it immediately enters a long stable period where the heat created by the provides to balance the force of pulling everything . The star maintains this energy output for millions of year due to the massive amounts of it contains. In this stable period it is called a and it lasts for of years.

Explanation

Question 4 of 4

What star emits no light?

{"28.285_62.2391":[{"id":7301139,"answer":"white dwarf","x":28.285,"y":62.2391},{"id":7301140,"answer":"supernova","x":28.285,"y":62.2391},{"id":7301141,"answer":"black hole","x":28.285,"y":62.2391}]}

Drag the answer into the correct orange point.

white dwarf

supernova

black hole

Explanation

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	Created by pickle pickles over 10 years ago

Questions on the star life cycle

STAR LIFE CYCLE

Question 1 of 4

Protostars initially form from dust and gas clouds spiraling in together due to the force of gravity.

Select one of the following:

Explanation

Question 2 of 4

When temperature gets high enough, hydrogen nuclei begin to undergo what to form helium nuclei and give out massive amounts of heat and light?

Select one of the following:

Explanation

Question 3 of 4

Fill the blank spaces to complete the text.

Explanation

Question 4 of 4

What star emits no light?

Drag the answer into the correct orange point.

Explanation