| A | B |
|---|
| barometer | Instrument that measures atmospheric pressure. |
| climate | Describes the typical weather patterns for a given location over a period of many years. |
| condensation | Change of state from gas to liquid. |
| condensation nuclei | Particles in the atmosphere on which water vapor condenses to form clouds. |
| conduction | Energy transfer through direct contact. |
| convection | Energy transfer due to density differences. |
| coriolis effect | Deflections (curving) of air currents in the atmosphere due to Earth's rotation. |
| dew point | Temperature at which water vapor condenses in the atmosphere. |
| evaporation | Change of state from liquid to gas. |
| fog | Low level stratus cloud. |
| front | A boundary between air masses. |
| humidity | Amount of water vapor in the atmosphere. |
| hurricane | Tropical cyclone characterized by winds of 75 mph or greater. |
| isobar | Line that connects points of equal pressure. |
| isotherm | Line that connects points of equal temperature. |
| precipitation | Falling water droplets when clouds become saturated. |
| psychrometer | Instrument that measures relative humidity in the atmosphere. |
| radiation | Energy transfer through space, travels in waves. |
| stratosphere | Layer of the atmosphere containing the ozone layer. |
| thermometer | Instrument that measures temperature. |
| tornado | Narrow, violent funnel-shaped column of wind that extends downward from the cloud base toward Earth. |
| troposphere | Lowest layer of the atmosphere; where all weather occurs. |
| weather | Describes the day-to-day changes in atmospheric conditions. |
