| A | B |
| 4 types of precipitation | Rain, sleet, snow, hail |
| Number of parts to the water cycle | 3 |
| Thermometer | Measures temperature |
| Barometer | Measures air pressure |
| Sling psychrometer | Measures relative humidity |
| Number of layers to Earth's atmosphere | 5 |
| Layer of the atmosphere closest to the surface | Troposphere |
| Top layer of the atmosphere | Exosphere |
| Gas that makes up most of the atmosphere | Nitrogen |
| Gas that makes up 21% of the atmosphere | Oxygen |
| Metric units for temperature | Degrees Celsius |
| Metric units for air pressure | Millibars |
| Heat from the sun trapped in the atmosphere | Greenhouse effect |
| Enhanced Fujita scale | Name for the tornado scale |
| Saffir Simpson scale | Name for the hurricane scale |
| Jet stream | Fast moving flow of air; acts as barrier between warm/cold air |
| Prevailing westerlies | Air pattern we have over the US |
| Gulf Stream current | Ocean current off the east coast of US |
| Coriolis effect | Earth's spin and roundness create wind patterns |
| Air pressure does this as you go up | Decreases |