Friday Review - Plate Tectonics!

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Across
  1. 4. the process by which oceanic crust sinks beneath continental crust at a convergent boundary
  2. 5. a landform formed by the collision of continental and continental plates
  3. 10. the soft layer of the mantle on which the lithosphere floats
  4. 13. the solid part of Earth
  5. 14. the currents responsible for plate movement
  6. 15. a crack in the Earth's crust
  7. 16. the layer of the stratosphere that protects us from the sun's harmful ultraviolet radiation
Down
  1. 1. the landmass that existed approximately 300 million years ago, when all continents were joined as one
  2. 2. the crust and the upper mantle
  3. 3. the strength of an earthquake
  4. 4. the instrument that records earthquake data
  5. 6. the lowest layer of Earth's atmosphere
  6. 7. a steep volcano created by high-viscosity lava
  7. 8. the point inside Earth's crust where an earthquake begins
  8. 9. tectonic plates that move towards each other
  9. 11. the plate boundary most responsible for earthquakes
  10. 12. a wider, flatter volcano created by low-viscosity lava