Weather

4. A brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight.
6. Located near the poles, winds that blow from East to West between 60 and 90 degrees latitude in both hemispheres.
9. The effect of Earth's rotation on the direction of winds and currents.
11. Winds that mostly affect the weather in the US and are located between 30 and 60 degrees latitude. Move West to East.
12. Global winds that flow toward the equator, turning west as they go. Used frequently by early sailors.
13. A line on a weather map that joins places that have the same air pressure
15. Cold dry air. Forms usually over northern Canada and Alaska.
16. Decreases as you move upwards in altitude.

1. Dark, low-level clouds accompanied by light to moderately falling precipitation.
2. Processby which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink.
3. Also known as London-type smog; created by burning coal.
5. Hot, dry air masses mostly in Southwest and northern Mexico
7. Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink.
8. A boundary between air masses that don't move possibly causing rain for several days
10. 3rd layer of the atmosphere. Coldest layer, protects us from meteors.
14. The lower part of the thermosphere, where electrically charged particles called ions are found.