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- 1. Multiple ChoiceThis is the inner-most layer of the sun, where nuclear fusion happens.corecoronaphotospherechromosphere
- 2. Multiple ChoiceThis is a stream of charged particles that streams out into space through the corona.solar flaresun spotssolar prominencesolar wind
- 3. Multiple ChoiceThis layer contains currents of rising and sinking gas that carry energy to the surface.radiative zonecoronachromosphereconvective zone
- 4. Multiple ChoiceInnermost layer of the sun's atmosphere, produces the sun's light.chromospherecoronaphotosphereradiative zone
- 5. Multiple ChoiceWhat color are the hottest stars?redyelloworangeblue
- 6. Multiple ChoiceAt 10,000 degrees Celsius, hydrogen begins to change into helium and energy is released in a process calledsupernovapulsarnuclear fusionnuclear fission
- 7. Multiple Choice
What color of star is the hottest?BlueRedYellowOrange - 8. Multiple ChoiceWhat is the name of the gas/dust clouds that form stars?NebulasProtostarsSupernovaNeutron Star
- 9. Multiple ChoiceAll stars begin their life in aMain SequenceNebulaProtostarBlack Dwarf
- 10. Multiple ChoiceWhat layer can be seen here?chromospherecoronaphotospherecore
- 11. Multiple ChoiceWhat is the sun mostly made up ofHeliumCoreCarbonHydrogen
- 12. Multiple ChoiceWhat protects life on Earth from gamma rays, X rays, and particles emitted by the Sun?The ozone layer in the stratosphereThe ionosphereThe magnetosphere (Earth's magnetic field)Clouds
- 13. Multiple Choice
How old is the sun?
1 million years old
4.5 million years old
4.5 billion years old
we do not know
- 14. Multiple Choice
Nuclear fusion produces the sun's energy. It fuses hydrogen into ___ atoms.
carbon
nitrogen
lithium
helium
- 15. Multiple ChoiceMost of the sun’s energy is a result ofnuclear fusionnuclear fissionatomic reactionscoronal mass ejection
- Answer choicesTagsAnswer choicesTags