Natural Disasters

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Across
  1. 2. boundary The line where the plates meet.
  2. 4. scale The scale to measure an earthquake.
  3. 6. Whirlwind with speeds of up to 400km. per hour. Also known as twisters.
  4. 8. The device used to measure an earthquake.
Down
  1. 1. The outside of the earth.
  2. 3. A sudden movement of the earth.
  3. 5. The different parts of the crust.
  4. 6. A series of very big waves.
  5. 7. disaster The name we give to something that happens because of natural forces.