Puzzle 4

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Across
  1. 2. _____ Psychrometer
  2. 4. Centre of the earth
  3. 6. Sudden vibration of the ground
  4. 8. Top of a volcano
  5. 11. Red liquid underground
Down
  1. 1. Moving apart
  2. 3. Landform that produces pyroclastic material
  3. 5. Name of a humanities subject
  4. 7. A scary phenomenon that can be caused by an earthquake
  5. 9. Plates sliding past each other
  6. 10. Determines if you perspire a lot or little