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Lifecycle Of Stars

Test Description: Review the lifecycle of stars

Instructions: Answer all questions to get your test result.

1) Why do massive stars have shorter lifespans than average stars?

AThey have less fuel to burn BThey are excited to get through their lifecycles faster CThey burn their fuel faster DThey have less steps in their lifecycles

2) At the end of its lifecycle the Sun will end up as what?

ABlack Hole BSupernova CNeutron Star DWhite Dwarf

3) All stars are born in what phase of their lifecycle?

AMain Sequence BStellar Nebula CSupernova DRed Giant

4) In which of the following stages will our Sun form heavy elements?

AStellar Nebula BBlack Hole CRed Giant DMain Sequence

5) Which of the following is the stage where a massive star explodes and releases a lot of energy?

AMain Sequence BSupernova CBlack Hole DRed Supergiant

6) Which of the following lists contains ONLY heavy elements?

AHydrogen, Helium, Carbon BHelium, Oxygen, Carbon CIron, Hydrogen, Oxygen DOxygen, Carbon, Iron

7) During which of the following phases does the core of a massive star have so much gravity that even light can\'t escape?

AWhite Dwarf BSupernova CBlack Hole DNeutron Star

8) What happens during the Main Sequence phase of a star?

AThe star is born out of dust and gas BHydrogen atoms are fused into helium atoms CThe star explodes and releases energy DHelium atoms are fused into heavy elements

9) What is the name of the process that forms heavy elements from atoms like helium?

ANuclear Fission BAttraction CNuclear Fusion DConjugation

10) Our Sun is currently in which phase of its lifecycle?

ARed Giant BMain Sequence CWhite Dwarf DPlanetary Nebula

*select an answer for all questions

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