Earth Science Vocabulary

1234567891011121314151617181920
Across
  1. 1. When one plate slides under the other when they collide
  2. 3. What continental crust is made of
  3. 6. Created at convergent boundaries, where two plates push up against each other
  4. 8. Occurs at transform boundaries, when pressure builds up in the epicenter
  5. 9. A boundary where two plates collide
  6. 13. A boundary where two plates slide past each other
  7. 16. Pieces of the Earth's crust that make up the floors of the Earth
  8. 18. What oceanic crust is made of
  9. 19. An idea that is supported by evidence but not completely proven
  10. 20. Created at divergent boundaries, where two oceanic crust plates pull apart
Down
  1. 2. The theory that all of the continents were once connected, but drifted apart
  2. 4. Created at divergent boundaries, where two continental crust plates pull apart
  3. 5. Tectonic plates that are less dense, making up the land of the continents
  4. 7. The study of tectonic plates
  5. 10. A boundary where two plates pull apart
  6. 11. Consists of the upper mantle below the lithosphere
  7. 12. The combination of the crust and upper mantle
  8. 14. Tectonic plates that are more dense, making up the ocean floor
  9. 15. The combination of all the continents before they drifted apart
  10. 17. Created at convergent boundaries, where magma is pushed up from the mantle