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- 1. Multiple Choice
Define the "universe."
All life form and objects in our solar system.
All matter and energy in existence
All of the stars and planets we can see.
I don't know.
- 2. Multiple Choice
Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.
True
False
- 3. Multiple ChoiceA light year is...The speed light travelsHow long it takes light to get to you from the sunThe distance light can travel in a yearHow many years it takes light to be emitted
- 4. Multiple ChoiceLight Years are a measure of:timespeeddistancelight
- 5. Multiple Choice
Why is it considered inappropriate to use light years to measure distances within our solar system?
The light year is too big
The solar system is to small
light doesn't travel in our solar system
We only use light years to measure sizes, not distances
- 6. Multiple Choice
The Milky Way is about ___________ light years in diameter.
three
four
9.5 trillion
100,000
300,000
- 7. Multiple Choice
The number of minutes it takes light to travel from the Sun to Earth
300,000
eight
Light year
astronomical unit
- 8. Multiple ChoiceBONUS QUESTION: what is buzz lightyear's team nameCommand StarSpacyLightyearsStar Command
- 9. Multiple Choice
A diagonal area on an H-R diagram that includes more than 90 percent of all stars.
main sequence
apparent brightness
absolute brightness
Hertzsprung-Russell diagram
- 10. Multiple Choice
A graph relating the surface temperatures and absolute brightness of stars
spectrograph
main sequence
Hertzsprung-Russell diagram
parallax
- 11. Multiple Choice
What is the name of the gas and dust clouds that form stars?
Nebulas
Protostars
Supernova
Neutron Star
- 12. Multiple Choice
What is the name of the explosion at the death of a massive star?
Supergiant
Supernova
Black Hole
Nebula
- 13. Multiple Choice
What is the name of baby stars?
Dwarf
Supergiant
Protostars
Nebulas
- 14. Multiple Choice
What determines if a star becomes a giant or a supergiant?
Star size
Star temperature
Star color
Star luminosity
- 15. Multiple Choice
______ is a force that causes dust particles to stick together in a nebula.
Nuclear fusion
Gravity
Bonding
Explosion
- 16. Multiple Choice
What is the term when stars blow up
supernova
fashionnova
stellarnova
solar nebula
- 17. Multiple ChoiceAt the center of most, if not all, galaxies is a _________.Giant SunBlack HoleBig BangWhite Dwarf
- 18. Multiple ChoiceWhat type of galaxy do we live in?SpiralEllipticalIrregularCoaxial
- 19. Multiple ChoiceWhat kind of galaxy is this?PeculiarActive Galaxy: QuasarSpiralElliptical
- 20. Multiple ChoiceWhat kind of galaxy is this?RingIrregularSpiralElliptical
- 21. Multiple ChoiceWhat kind of galaxy is this?Barred SpiralIrregularSpiralElliptical
- 22. Multiple Choice
Invisible matter that slows down the expansion of the universe is called
supernova
gravity
dark energy
dark matter
- 23. Multiple Choice
A force that speeds up the expansion of the universe is called
supernova
gravity
dark energy
dark matter
- 24. Multiple Choice
A(n) ________________________________ is so massive that its gravity does not even let light escape.
Galaxy
Sun
Quasar
Black Hole
- 25. Multiple ChoiceDistance measurement used by astronomers for distant objects.KilometersLight YearsMilesLight Seconds
- 26. Multiple ChoiceGalaxies furthest away are...Moving faster than closer onesMoving slower than closer onesMoving at the same speed as closer onesHarder to eat
- 27. Multiple ChoiceWas Galileo the first person to look through a telescope?(cosmos #9)TrueFalse
- 28. Multiple ChoiceThe event that marks the beginning of our known universeTheory of EvolutionBig Bang TheoryCell TheoryBlackhole theory
- 29. Multiple ChoiceWhat does the Big Bang theory suggest?The universe was just thereThe Milky Way is the only solar systemThe universe is continually expandingThe universe started as a point and is moving towards each other
- 30. Multiple ChoiceScientists think that the universe will...end someday.eventually shrink.expand forever.expand and shrink on a regular basis.
- 31. Multiple ChoiceWhat was the first element to form within the universe?HydrogenHeliumCarbonOxygen
- 32. Multiple ChoiceThe big bang was a what?explosionunknownexpansioncontraction
- 33. Multiple ChoiceThe Big Bang Theory explains the formation of the -EarthSunUniverseSolar System
- Answer choicesTagsAnswer choicesTags