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19 terms

2R Science

STUDY
PLAY
weather
what the air outside is like
weather pattern
a change in the weather that repeats
season
a time of year that has a certain kind of weather
winter
the coldest season
summer
the hottest season
fall
the season in which the air becomes cooler
spring
the season in which the air becomes warmer
temperature
how warm something is
thermometer
a weather instrument that measures the temperature of the air
wind
moving air
anemometer
a weather instrument that measures wind speed
precipitation
water that falls from the sky in one of 4 forms: rain, snow, sleet or hail
water cycle
the movement of water over and over, from Earth's surface, into the air, and then back to Earth's surface
evaporation
the process whereby sun heats water and changes the water into a gas, called water vapor
water vapor
the gas formed when water evaporates
condensation
the process whereby water vapor changes into tiny drops of water and forms a cloud
drought
a long period of time when it does not rain
flood
when it rains too much
weather vane
a weather instrument used to tell the direction of the wind