Which word means a large body of air with the same temperature and humidity throughout?
Air mass
100
What is it called when water changes from a liquid to a gas?
Evaporation
100
What is precipitation called that falls as a liquid?
rain
100
What is a front?
The boundary between two air masses or where two air masses meet
100
What does a barometer measure?
air pressure
200
What is the word that means the mixture of gases that surround the Earth?
atmosphere
200
What is it called when water vapor turns back to liquid?
condensation
200
What is precipitation called that freezes into ice crystals in the cloud and then falls to Earth?
Snow
200
Which type of front is this: it gets warmer, forms a wide area of clouds and steady rain.
warm front
200
What is the main source of energy that drives the water cycle?
the sun
300
Which word means the weight of the atmosphere pressing down on the Earth?
Air pressure
300
What is it called when liquid water falls from clouds back to Earth?
precipitation
300
What is the type of precipitation that is cold and then freezes as soon as it hits the ground?
freezing rain
300
What type of front is this: it gets colder, large clouds and thunderstorms form
cold front
300
Why is it important that hurricanes can be predicted?
It can save people's lives because they will know to evacuate
400
Which word means the amount of water vapor in the air?
humidity
400
What is it called when water seeps into the ground and is stored there?
groundwater
400
What type of precipitation starts to fall as liquid, falls through a frozen air mass, freezes, and then hits the ground?
sleet
400
What would an air mass be like that formed over the ocean at the north pole?
cold and moist
400
What kinds of clouds does this describe: gray, low clouds moving to cover much of the sky?
stratus
500
Which word means the process by which water moves between Earth's surface and the atmosphere?
Water cycle
500
What is it called when water cannot soak into the ground and instead flows across Earth's surface?
runoff
500
What type of precipitation freezes in cumulonimbus clouds and has layers and layers of ice over it as it is blown up into the cloud and then back down over and over again?