The Universe Unit Practice Test

16 Questions | Total Attempts: 855

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Element Quizzes & Trivia

Study quiz for universe


Questions and Answers
  • 1. 
    The HR diagram, also known as the Hertzsprung-Russel Diagram, depicts...
    • A. 

      The relationship between a star's planets and its temperature

    • B. 

      The relationship between a star's temperature and it's luminosity

    • C. 

      The elemental spectrum, to determine if certain elements are present on a star's surface.

    • D. 

      The distance between stars in a local group based on their luminosity and color.

  • 2. 
    Stars found in the ____?____ make up the 95% of stars' life spans.
    • A. 

      Virgo cluster

    • B. 

      Orion nebula

    • C. 

      Local group

    • D. 

      Average sequence

    • E. 

      Main sequence

    • F. 

      HR sequence

  • 3. 
    • A. 

      Every supernova

    • B. 

      A black hole collapsing

    • C. 

      Typically a red supergiant going into supernova ( if it's really big!)

    • D. 

      A planetary nebula

    • E. 

      Typically a red supergiant going into supernova (if it's a bit on the smaller side!)

  • 4. 
    A stellar Black Hole...
    • A. 

      ...is not as small as a galactic black hole.

    • B. 

      Is the result of a white dwarf collapsing at the end of its life

    • C. 

      Is the result of a red supergiant collapsing at the end of its life (if it's big enough!)

    • D. 

      Is the result of the end of a neutron star's life

    • E. 

      Isn't the result of a supernova

    • F. 

      Is the result of a red supergiant collapsing at the end of its life (if it's on the smaller side).

  • 5. 
    The sun in comparison to other stars is considered...
    • A. 

      Medium size

    • B. 

      A yellow supergiant

    • C. 

      A brown dwarf

    • D. 

      The only one to have a planetary system

    • E. 

      Hotter than most (hotter than sirius)

  • 6. 
    Of all the galaxy types...
    • A. 

      Elliptical ones are the most common

    • B. 

      Spiral galaxies are the least common

    • C. 

      Irregular galaxies are the least common

    • D. 

      Black holes are in the center of all irregular galaxies

  • 7. 
    Our solar system is part of a barred elliptical galaxy.
    • A. 

      True

    • B. 

      False

  • 8. 
    From what we have seen, spiral galaxies are the most common galaxy type.
    • A. 

      True

    • B. 

      False

  • 9. 
    Active galaxies produce less energy than is produced causing them to "work overtime to make up for the lack of energy production from the stars within them."
    • A. 

      True

    • B. 

      False

  • 10. 
    Our closest neighboring galaxy is a spiral galaxy.
    • A. 

      True

    • B. 

      False

  • 11. 
    A galactic black hole is at the center of every galaxy, to keep the masses from spinning or shooting away- because everything spins.
    • A. 

      True

    • B. 

      False

  • 12. 
    The two proofs to the big bang theory are... 
    • A. 

      The universe is still shrinking

    • B. 

      The stars bulge until they supernova creating black holes.

    • C. 

      The distance between stars and other masses is growing, suggesting that we are still expanding from the initial explosion.

    • D. 

      The Hubble telescope has taken pictures of the detonation zone, which happened 14 billion years ago, so we can see it as it was because of how far away it is.

    • E. 

      Microwave radiation is still left over from the initial explosion in pockets of space where temperatures are still 3 degrees K. higher.

  • 13. 
    Red shifts in a spectroscopic image indicate that...
    • A. 

      The objects or masses viewed are traveling away from us.

    • B. 

      An object has mercury in it

    • C. 

      The wavelengths are getting shorter

    • D. 

      The mass or object viewed is coming closer, due to wavelengths getting longer.

  • 14. 
    We are all made from "star dust because"
    • A. 

      Peter pan loves us all...

    • B. 

      Billions of years of supernovae and other large explosions such as the hypothesized big bang, have shot elements created in their atmospheres through fusion, out into space.

    • C. 

      We aren't made of star dust, but instead iron composite materials found in the center of the earth.

  • 15. 
    The known universe is simply what we currently can perceive and view out of the big picture (the universe itself).
    • A. 

      True

    • B. 

      False

  • 16. 
    A light year is the distance time travels in a year
    • A. 

      True

    • B. 

      False