Some Natural Phenomena

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Across
  1. 1. Charge Excess of electrons in object.
  2. 4. Charge Lack of electrons in object.
  3. 6. Flash of electrical discharge.
  4. 7. Sudden shaking of Earth's crust.
  5. 9. Small, less intense
  6. 10. Plates Large, moving crustal sections.
  7. 11. Release of stored electrical energy.
  8. 12. Storm with thunder and lightning.
  9. 15. Conductor Metal rod protecting against lightning.
Down
  1. 2. Device detecting electrical charges.
  2. 3. Outer layer of earth
  3. 5. Sound following a lightning strike.
  4. 8. of Charge Movement of electrons between objects.
  5. 12. Giant wave from underwater disturbance.
  6. 13. Instrument recording Earth's vibrations.
  7. 14. Scale Measures earthquake magnitude numerically.