Choice Board Crossword

5. Lines connecting points of equal air pressure.
9. A huge body of Air in the lower atmosphere.
11. When a cool air mass pushes under a warm air mass.
13. Gases that trap heat in the atmosphere and cause global warming.
15. Storm that has violent winds and forms around the South Pacific or Indian Ocean.
17. Storm that has violent winds and forms around the Atlantic and Northeastern Pacific Ocean.
19. Force exerted on Earth's surface by the weight of the air above the surface.
20. Earth's spin causes these winds to curve and change direction.

1. A fast-moving, narrow band of wind in the upper atmosphere.
2. Generates a lot of dust when it crashes into land.
3. Happy, clear weather.
4. The long-term pattern of weather in an area.
6. Storm that has violent winds and forms around the North Pacific Ocean.
7. When a warm air mass slides up and over a cool air mass.
8. Gives off ash and dust when it erupts.
10. When a cool front and a warm front collide and stop moving.
12. Non-Renewable resources made of organisms from a long time ago and are used faster than they are replenished.
14. The condition of the atmosphere in an area at a particular time.
16. Lousy, not clear weather.
18. A boundary between two air masses.