earth vocabulary

Edit Answers
12345678910
Across
  1. 2. when two plates separate causing seafloor spreading creating underwater volcanic chains and rift valleys
  2. 7. movement of magma in the mantle caused by temperature changes that move the lithospheric plates above
  3. 8. the formation of new areas of oceanic crust at midocean ridges and its movement on either side
  4. 9. rock that forms when magma cools on the surface or underground
  5. 10. the processes that change the surface of the earth though the movement of the lithospheric plates
Down
  1. 1. when plates scrape past each other causing strong earthquakes
  2. 3. rock that forms when pebbles sand shells and other pieces are cemented together over time
  3. 4. when one tectonic plate pushes underneath another into the mantle where it melts
  4. 5. Rock that forms when existing rocks change due to heat and/ or pressure
  5. 6. where two plates move together to form volcanoes islands and other landforms