Unit 5: Atmosphere and Weather

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Across
  1. 3. a mixture of gases that surrounds a planet, such as Earth
  2. 5. the name of the scale used to assess tornado damage
  3. 7. forms when cold dense air moves into a region occupied by warmer air
  4. 8. occurs when particles and gas molecules in the atmosphere reflect and bend solar rays
  5. 10. the movement of Earth in its orbit around the sun
  6. 18. includes all forms of energy that travel through space as waves
  7. 19. the lowest layer of the atmosphere where weather conditions exist
  8. 21. makes up 78% of the atmosphere
  9. 22. the coldest layer of the atmosphere
  10. 23. the spinning of the Earth around its axis
  11. 24. a type of airmass that is formed from warm air
Down
  1. 1. a gas that makes up 21% of the atmosphere
  2. 2. a front that generally produces precipitation over a large area for an extended period of time
  3. 4. a line of heavy thunderstorms that forms ahead of a cold front
  4. 6. another name for a hurricane
  5. 9. an immense body of air that is characterized by similar temperatures and moisture
  6. 11. a storm that generates lightning and thunder
  7. 12. a gas molecule that is made up of three oxygen atoms
  8. 13. violent windstorms that take the formation of a rotating column of air
  9. 14. air masses that form over the ocean
  10. 15. the transfer of heated by mass movements or circulation
  11. 16. air masses that form over land are called
  12. 17. a vertical cylinder of rotating air that develops in the updraft of a thunderstorm
  13. 20. a boundary that separates two air masses of different properties