Weather & Climate

a map showing the state of the weather over a large area

• radiation

• convection currents

• weather map

• downdraft

energy that comes from a source and travels through space at the speed of light

• anemometer

• radiation

• air pressure

• surface winds

lighter (less dense), warm material rises while heavier (more dense) cool material sinks

• convection currents

• air pressure

• front

• air masses

small-scale column of air that rapidly sinks toward the ground

• gravity

• air pressure

• updraft

• downdraft

wind blowing near the Earth's surface

• phase changes

• surface winds

• weather

• barometer

the force exerted on a surface by the air above it as gravity pulls it to Earth

• air pressure

• wind vane

• latitude lines

• prime meridian

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

• climate

• weather

• updraft

• downdraft

vertical motion that carries warm and moist air upward

• front

• updraft

• weather

• longitude lines

a body of air with horizontally uniform temperature, humidity, and pressure

• front

• air pressure

• temperature

• air masses

phase changes

• evaporation

• melting

• freezing

• condensation