Unit 1: Crossword Wars

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Across
  1. 4. The scientist who insisted the universe was expanding.
  2. 6. Leftover energy from the big bang (leftover photons).
  3. 9. The law that states galaxies are moving away from us, and the further away a galaxy is, the faster it moves
  4. 11. Discovered cosmic microwave background radiation using a horn telescope.
  5. 14. Everything on the electromagnetic spectrum travels at the speed of ______.
  6. 15. How quickly a đťťş passes a fixed point
  7. 16. The type of waves the horn telescope takes in (hint: these have long wavelengths, low energy, low frequency)
  8. 19. This element makes up 25% of our universe.
  9. 21. Used to tell what elements (or ingredients) make up stars
  10. 22. Pieces of light
Down
  1. 1. The portion of the electromagnetic spectrum we can see
  2. 2. A universe that does not change.
  3. 3. This element makes up 75% of our universe.
  4. 5. Energy _____ as you move from red to violet.
  5. 7. When an object's light shifts to longer wavelengths as it is moving away from Earth.
  6. 8. The scientist who found most of the universe’s mass was in stars, and stars are primarily made from hydrogen and helium.
  7. 9. The scientist who studied distant galaxies and found they were redshifted.
  8. 10. If two waves with different wavelengths (đťťş) travel at the same speed, then the wave with the _____has a higher frequency (f)
  9. 12. The distance between “peaks” on a wave.
  10. 13. All space, time, matter, and energy. Everything that exists and has existed.
  11. 17. These spectrums have bright lines.
  12. 18. When an object’s light shifts to shorter wavelengths as it is moving toward Earth.
  13. 20. A universe that changes overtime, and grows outward.