Multiple choice: Terms

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rip currents

concentrated movements of water that flow opposite the direction of breaking waves

radiation

the emission of energy as electromagnetic waves or as moving subatomic particles

convection

the transfer of heat through the movement or circulation within a substance

dew point

the temperature at which water vapor begins to condense

adiabatic cooling

the process of reducing heat through a change in air pressure caused by volume expansion

unstable air

air that doesn’t resist vertical displacement

isobars

lines on a weather map that connect points of equal atmospheric pressure

upwelling

rising of cold water from deeper layers to replace warm surface water

relative humidity

the ratio of air’s actual water-vapor content to the amount of water vapor required for saturation at that temperature and pressure

weather

the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.

climate

the weather conditions prevailing in an area in general or over a long period.