Plate motion

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Across
  1. 3. A rigid rocky layer of earth
  2. 6. Feeling pushed or strained
  3. 7. When two plates move towards each other
  4. 13. A rock made from volcanoes
  5. 14. When two plates move away from eachother
  6. 16. Female geologist/ cartographer
  7. 18. An edge of a plate
  8. 20. Boundary that causes earthquakes
Down
  1. 1. Forms at convergent boundaries
  2. 2. Male German geologist
  3. 4. A natural disaster starting with V
  4. 5. Branch of geology studying earths format
  5. 8. Plates slowly____ over time
  6. 9. The study of earth
  7. 10. Inner layer of earth
  8. 11. Plates move 1____ per year
  9. 12. This comes out of volcanoes
  10. 15. The ancient supercontinent
  11. 17. A natural disaster starting with E
  12. 19. Outer layer of earth