Earthquakes and Volcanoes

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Across
  1. 2. The process by which the hot mantle rises to the crust gets cooler and sinks
  2. 5. A sudden rolling or shock on the Earth's surface.
  3. 6. molten or semi-molten natural material
  4. 8. an imaginary boundary where the most volcanoes and earthquakes happen
  5. 9. a rupture in the ground that allows hot lava and ash to escape
  6. 14. scientists that study volcanoes
  7. 15. a plate boundary when plates move away from each other
Down
  1. 1. a plate boundary when plates move towards each other
  2. 3. discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements
  3. 4. scientists that study earthquakes
  4. 7. a plate boundary when plates slide by each other
  5. 10. magma once it has been expelled from the interior of a planet
  6. 11. When lots of energy comes from a very small spot and shakes the material around it.
  7. 12. a gas created from the burning of a substance
  8. 13. The solid remnants of fires