| A | B |
| relative humidity | amount of moisture the air can hold |
| psychrometer | measures relative humidity |
| precipitation | water that falls to Earth as rain,snow, etc. |
| isobars | connect areas w/same pressure on a weather map |
| isotherms | connect areas of equal temp. on a map |
| focault pendulum | best evidence that the Earth rotates |
| meteorologists | study and predict weather |
| anemometer | measures wind speed |
| Coriolis effect | apparent shift in wind direction due to rotation of Earth |
| greenhouse effect | CO2 gases trap heat in atmosphere |
| barometer | measures air pressure |
| climate | weather in an area over a long period of time |
| latitude | measures north and south of equator |
| longitude | measures east and west of Grand Meridian |
| biome | area w/similar climate,plants and animals |