Earth Vocab

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Across
  1. 1. the formation of new areas of oceanic crust at mid ocean ridges and its movement on either side.
  2. 2. when 2 plates seperate causing seafloor spreading creating underwater volcano chains
  3. 3. Where two plates move together to form volcanos, islands and other land forms
  4. 5. Rock that forms when magma cools on the surface or underground
  5. 8. Rock that forms when other rocks change due to heat or pressure.
  6. 9. when 1 tectonic plate pushes underneath another and melts.
Down
  1. 1. Rock that forms when pebbles, sand shells, and other pieces are cemented over time.
  2. 4. movement of magma caused by temp changes that move tectonic plates.
  3. 6. when plates scrape causing Earth quakes
  4. 7. The processes that change the surface of the earth through the movement of lithospheric plates.