| A | B |
|---|
| Troposphere | The layer of the atmosphere we live in |
| Stratosphere | The layer that has the ozone layer |
| Ozone | 3 atoms of oxygen bonded together |
| 4 | Types of precipitation |
| 3 | Parts of the water cycle |
| Thermometer | Measures temperature |
| Anemometer | Measures wind speed |
| Wind Vane | Measures wind direction |
| Barometer | Measures air pressure |
| Sling Psychrometer | Measures dew point and humidity |
| Air pressure increases | This happens as you go down through atmosphere |
| 78% | Nitrogen makes up this much of atmosphere |
| 21% | Oxygen makes up this much of atmosphere |
| Jet stream | Fast moving stream of air carrying weather with it |
| 5 | # of categories of hurricanes |
| 6 | # of categories of tornadoes |
| Tornado Alley | Where most tornadoes happen in US |
| Units for air pressure | Millibars (mb) |
| Saffir-Simpson | Name of hurricane scale |
| Enhanced Fujita | Name of tornado scale |
