Our Dynamic Earth

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Across
  1. 4. Layer of the Earth where the tectionic plates sit
  2. 8. Large wave caused by underwater earthquake
  3. 9. Where the convection currents occur
  4. 10. Frozen river of ice and snow
  5. 11. Land more than 500m abouve sea level
  6. 13. Planet in our solar system where humans live
Down
  1. 1. The name for two plates spreading apart
  2. 2. Smallest tectonic plate
  3. 3. Where magma breaks through the crust and builds layers of hardened lava
  4. 5. Plate boundary when the plates push against each other
  5. 6. A part of land raised, but less than 500m abouve sea level
  6. 7. Small area of land in the sea; is a landform
  7. 12. Vast majority of salt water separating land