Earth Vocabulary

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Across
  1. 4. a common extrusive volcanic rock
  2. 7. the point within the Earth where an Earthquake rupture starts
  3. 8. the place inside Earth's crust along which there is movement
  4. 10. when the liquid rock is still underground
  5. 12. a super continent that broke up 180 million years ago
  6. 13. when 2 plates collide and one plate is driven beneath the other
  7. 14. occurs when 2 plates slide past each other horizontally
  8. 15. this occurs when plates move towards each other and collide
Down
  1. 1. a very hard igneous rock
  2. 2. the movement of fluid as a result of heating or convection
  3. 3. where 2 plates are moving away from each other
  4. 5. a part of the upper mantle just below the lithosphere
  5. 6. a super continent that broke up 200 million years ago
  6. 9. the scientific study of earthquakes and the movement of waves in Earth
  7. 11. the place inside Earth's crust where an earthquake originates