weather

12345678910111213
Across
  1. 4. when a liquid turns into a gas.
  2. 6. Humidity is the amount of water vapor in the air.
  3. 7. front- A cold front is seen as the transition zone where a cold air mass is replacing a warmer air mass.
  4. 11. an instrument for measuring and indicating temperature.
  5. 12. white ice crystals formed directly from the water vapor of the air.
  6. 13. Lightning is an electrical discharge caused by imbalances
Down
  1. 1. is liquid precipitation: water falling from the sky.
  2. 2. partly melted falling snow or hail
  3. 3. front- A warm front is the boundary between a mass of warm air and a retreating mass of cold air.
  4. 5. Wind is the movement of air, caused by the uneven heating of the Earth
  5. 8. a chemical element that constitutes 21percent of the Earth's atmosphere.
  6. 9. pellets of frozen rain which fall in showers from cumulonimbus clouds.
  7. 10. gas that is the most plentiful element in Earth's atmosphere.