volcanoes

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Across
  1. 3. The point in the earth's crust where hot magma has reached the surface
  2. 4. When magma gets at the surface, it's called ...
  3. 6. When rocks melt
  4. 7. A mountain with volcanic activity which rose up from the sea
  5. 9. An opening on the inside of a volcano through which volcanic materials erupt
  6. 11. The cup-shaped depression of a volcano
Down
  1. 1. The largest volcano of the world
  2. 2. The place where one plate goes underneath the oher and a hole occurs
  3. 3. A reservoir of magma in the earth's crust
  4. 5. An area in the mantle from which heat rises as a thermal plume from deep in the earth
  5. 7. An underground chamber with a pool in it which is forced upwards by magma
  6. 8. When two tectonic plates meet eachother and cause earthquakes
  7. 10. When the pressure of the underground chamber gets high enough, so the crust cracks and the magma will be forced out of the earth