Water Cycle
this powers the water cycle
the sun
when air is heated, it moves in this direction
up (higher, rises)
meteorologist
the collection of tiny liquid water drops in the sky
cloud
the scale we use to rate the strength of a tornado
EF Scale (Enhanced Fujita Scale)
the change of water from a liquid to a gas is called
evaporation
when air is cooled, it moves in this direction
down (lower, falls, sinks)
the tool that measures temperature
thermometer
when clouds hold too much water and it returns to the ground as a solid or a liquid, we call this....
precipitation
the rating of a tornado that only damages roof tiles
EF0
when water vapor cools; water turns from a gas to a liquid
condensation
high pressure is caused by this kind of air mass
cold (cool)
the weather tool that measures wind speed
anemometer
a type of cloud that forms high in the sky and is made of tiny ice crystals
cirrus cloud
the rating of a tornado that removes whole roofs from houses, but leaves some outside walls standing
EF2
rain, sleet, hail, snow
low pressure is caused by this type of air mass
warm (hot)
the amount of moisture in the air
humidity
the type of cloud that forms low in the sky, is flat and grey, and usually causes light rain
stratus cloud
the movement of air in which hot air rises and cold air falls in a cycle
convection currents
when plants are heated and they release water into the atmosphere as water vapor
transpiration
CHALLENGE!!
the layer of the atmosphere where all weather happens
troposphere
a weather tool that measures air pressure
barometer
the name of the special cloud that has grown tall and dark, bringing strong thunderstorms
cumulonimbus cloud
CHALLENGE!!
a word for the spinning of air or liquid
vortex