The GED Science Test: Space Science

Master the science of GED prep! Our vocabulary lists will help reinforce your understanding of the major topics covered on the GED Science Test, including the scientific method, life science, physical science, earth science, and more. Learn these essential terms to improve your test score and your confidence.
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Full list of words from this list:

words only definitions & notes
  1. astronomy
    the branch of physics that studies celestial bodies
  2. comet
    a small frozen mass that travels around the sun
  3. constellation
    a configuration of stars as seen from the earth
  4. eclipse
    the phenomenon when one celestial body obscures another
  5. galaxy
    a collection of star systems
  6. gravity
    the force of attraction between all masses in the universe
  7. lunar
    of or relating to or associated with the moon
  8. meteor
    a mass that enters earth's atmosphere, becoming incandescent
  9. meteorite
    a stony or metallic object from space that hits the earth
  10. nebula
    an immense cloud of gas and dust in interstellar space
  11. orbit
    the path of a celestial body in its revolution about another
  12. solar
    relating to the sun or utilizing the energies of the sun
  13. solar system
    the sun with the celestial bodies that revolve around it
  14. supernova
    a star that explodes and becomes luminous in the process
  15. vacuum
    the absence of matter
Created on Thu Mar 11 09:19:14 EST 2021 (updated Fri Mar 12 09:51:20 EST 2021)

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