Theories

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Across
  1. 4. Movement of tectonic plates away from each other
  2. 7. Scientist who discovered that galaxies are moving away from each other
  3. 8. Term for the stretching of space observed by Hubble
  4. 9. Color shift showing galaxies moving away
  5. 10. Large landmass formed by plate movement
Down
  1. 1. Boundary where plates collide
  2. 2. Cracks in Earth’s crust where movement occurs
  3. 3. Theory explaining the origin of the universe
  4. 5. Force that drives plate movement from Earth’s interior
  5. 6. Cracks in Earth’s crust where movement occurs