Natural phenomenon crossword

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Across
  1. 5. A natural light display in the sky.
  2. 7. When one celestial body blocks the light of another.
  3. 8. A severe tropical storm with strong winds.
  4. 9. An arc of colors in the sky after rain.
  5. 10. A cascade of water flowing over a cliff.
Down
  1. 1. A giant ocean wave caused by seismic activity.
  2. 2. A severe snowstorm with strong winds.
  3. 3. A mountain that erupts molten rock.
  4. 4. A sudden shaking of the ground.
  5. 6. A hot spring that intermittently ejects water and steam.