Structure Of The Earth

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Across
  1. 4. The large area below the Earth's crust where magma is found. (6)
  2. 6. The very centre of the Earth. (4)
  3. 8. A plate that lies above sea level. (11)
  4. 10. A piece of the Earth's crust that moves slowly. (5)
  5. 12. The thin outer layer of the Earth's surface made up of solid rock. (5)
  6. 15. The constant movement of magma inside the mantle. (10,7)
  7. 16. When two plates rub together causing heat and tremors. (8)
  8. 18. A plate that lies below sea level. (7)
  9. 19. A plate boundary where two plates slide past each other. (12)
Down
  1. 1. The edge of a plate. (8)
  2. 2. The theory that suggests that plates move around the outer layer of the Earth. (11,5)
  3. 3. A plate boundary where two plates move apart from each other. (12)
  4. 5. The name of our planet. (5)
  5. 7. A mountain formed by lava when it cools down. (7)
  6. 9. When an oceanic plate is forced underneath a continental plate and begins to melt (10,4)
  7. 11. Very hot liquid rock above the Earth's surface. (4)
  8. 13. A plate boudnary where two plates move towards each other. (11)
  9. 14. A shaking of the earth's crust when plates move. (10)
  10. 17. Very hot liquid rock below the Eath's surface. (5)