The Water Cycle
Precipitation
Air Masses and Fronts
Storms
Predicting the Weather
100
What is the water cycle?
An endless process where water changes from a liquid to a gas and back again through a series of processes
100
What is precipitation?
Precipitation is water falling from clouds
100
What is an air mass?
A large body of air with similar conditions
100
What is a storm?
A violent disturbance of the atmosphere
100
Who are meteorologists?
Scientists who study the weather
200
What is relative humidity?
The amount of water in the air in relation to the amount of water that the air can hold.
200
What are the common types of precipitation?
Rain, snow, sleet, hail
200
How are air masses classified?
By humidity and temperature
200
What are the main types of storms?
Thunderstorm Snowstorm Tornado Hurricane
200
What is a weather map?
A map that shows the weather for a specific area
300
How is relative humidity measured?
With a psychrometer
300
What is the only liquid type of precipitation?
Rain
300
What are the four main types of air masses?
Continental Tropical Continental Polar Maritime Tropical Maritime Polar
300
What makes thunderstorms dangerous?
Flooding and lightning strikes
300
What are isobars?
Isobars are lines joining places on a map with the same air pressure.
400
How do clouds form?
Clouds form when the air cools, so that it cannot hold the water it has in it, and the water in the air condenses around tiny particles in the air.
400
What is it called when rain freezes on contact with a surface?
Freezing rain
400
What are the types of fronts?
Cold fronts warm fronts stationary fronts occluded fronts
400
What is a requirement of a tornado?
It must touch the ground
400
What tools do meteorologists use?
Meteorologists use maps, charts, and computers
500
What are the three main types of clouds?
Cirrus Stratus Cumulus
500
What is one requirement for precipitation?
Among many other answers, there must be enough of it for gravity to take hold.
500
What is an anticyclone?
A high pressure center
500
What does a hurricane start as?
A tropical disturbance
500
What do standard symbols on a weather map show?
Fronts areas of High or Low pressure types of precipitation temperature
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