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- 1. Multiple Choice
What is the name of the cloud that a star is formed in?
Nebula / Stellar Nursery
Supernova
Main Sequence
Dwarf
- 2. Multiple Choice
When a Red Giant runs out of fuel, it become a:
Supernova
Nebula
White Dwarf
Main Sequence Star
- 3. Multiple Choice
A small White Dwarf has a diameter similar to:
The Sun
The Earth
The Moon
A basketball
- 4. Multiple Choice
What is a protostar?
A star that has died
A smaller than average star
A big, blue star that is on the main sequence of the HR diagram
A contracting mass of gas which represents an early stage in the formation of a star
- 5. Multiple Choice
What is a red giant?
It is what happens when a star begins fusing helium into carbon.
It is a star on the main sequence of the HR diagram.
It is a star that has died and is no longer fusing any material.
- 6. Multiple Choice
What is fusion?
It is the measure of brightness of a star.
The process of merging atoms together to create energy.
It is the process of analyzing stars for what atoms they contain.
It is a description of how massive a star is.
- 7. Multiple Choice
What is a supernova?
The measure of brightness of a star.
Something that only low mass stars can do.
A star that explodes, creating a great amount of light and energy.
- 8. Multiple Choice
A neutron star is
The end phase of a massive star.
A star made up of only protons.
The type of star you have before it turns into a black hole.
- 9. Multiple ChoiceOnce a star uses up all of its _________, the star will begin to go into its death phase.lightheatenergyhydrogen
- 10. Multiple ChoiceWhat determines if a star becomes a giant or a supergiant?star sizestar temperaturestar colorstar luminosity
- 11. Multiple ChoiceWhat color of star is the hottest?BlueRedYellowOrange
- 12. Multiple ChoiceWhat color of star is the coolest?RedYellowBlueWhite
- 13. Multiple ChoiceThe color of a star tells us itsmagnitudetemperaturesizeage
- 14. Multiple ChoiceThe life cycles of stars are determined by their:mass (size)colordistance from Earthluminosity
- 15. Multiple ChoiceAfter the main sequence, a low mass star becomes ablack dwarfprotostarred giantsupergiant
- 16. Multiple Choice
After the main sequence, a high mass star becomes a
black dwarf
protostar
red giant
supergiant
- 17. Multiple ChoiceAfter a supergiant, a high mass star explodes and forms asupernovared giantblack holeplanetary nebula
- 18. Multiple Choice
What is the source of energy for the Sun?
nuclear fusion
burning coal
burning of solar gases
splitting of atoms
- 19. Multiple ChoiceWhich of the following list the correct order of the life cycle of massive stars?Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackholeNebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarfNebula --> protostar --> main sequence --> supernova --> red giant --> blackholeNebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence
- 20. Multiple Choice______ is a force that causes dust particles to stick together in a nebula.nuclear fusiongravityhydrogeniron
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