water cycle
the process in which liquid changes to gas
evaporation
the weight of air as it pushes down on Earth's surface
air pressure
measures wind direction
wind vane
made of tiny drops of water and ice
clouds
Examples of extreme weather
tornadoes, hurricanes, flash floods, thunderstorms, and blizzards
measures wind speed
anemometer
the change of state from gas to liquid
condensation
average weather taken over along period of time.
does not change
climate
measures air pressure
barometer
the movement of water into the atmosphere as water vapor and back to Earth's surface
Water cycle
condition of the atmosphere each day. It can change frequently.
weather
measures amount of rainfall
any form of water that falls from the clouds
precipitation
measures temperature
thermometer