The Earth puzzle

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Across
  1. 3. danger or risk
  2. 4. a mainland contrasted with islands
  3. 7. emphasize differences
  4. 11. sub layer of the earth surface
  5. 13. Rises from the water
  6. 14. shows The direction of north
Down
  1. 1. Shakes the Earth
  2. 2. The study of Earth
  3. 5. a strain by being stretched
  4. 6. Natural elevation of the earth surface
  5. 8. The planet we live in
  6. 9. the sea
  7. 10. Spits out lava
  8. 12. earth surface that is not covered by water
  9. 15. the outside layer of something