This is a large body of air with similar properties all through it.
What is an air mass?
100
If you know severe weather is coming, you need to ___________ for it.
What is "prepare"?
100
This tool shows air pressure.
What is a barometer?
100
This is a movement of air that happens because of differences in air pressure caused by temperature differences.
What is wind?
200
Differences in air temperature cause this.
What is wind?
200
This is a boundary between two air masses.
What is a front?
200
Condensation and precipitation of thunderstorms are parts of what cycle?
What is the water cycle?
200
This tool measures wind speed.
What is an anemometer?
200
Changes in the __________ temperature, even small changes, can cause large changes in weather.
What is the ocean?
300
The weight of air pushing down on an area.
What is atmospheric pressure?
300
This is the source of energy for all weather.
What is the sun?
300
Thunderstorms can bring four types of weather. Name them.
What is thunder, lightning, strong winds, and rain.
300
This tool measures how much rain has fallen.
What is a rain gauge?
300
This is a warmin of the eastern Pacific Ocean near the equator that happens every 4-12 years. This change can cause very wet and very dry seasons in many parts of the world.
What is El Nino?
400
As you go higher in the atmosphere, there is _____ air above you to push down on you.
What is less?
400
On Earth's surface, high-pressure air surrounds warm, low-pressure air. The high pressure air causes the warm air in the center to rise. As this air rises, the high-pressure air around it flows in to take is place. This flow of air forms a wind that spirals inward and forms a weather system. Name this weather system.
What is a cyclone?
400
A spinning column of air is called a __________. Also, name what it is called when it touches the ground.
What is a funnel cloud? What is a tornado?
400
Advances in __________ have allowed weather forecasters to make accurate predictions.
What is technology?
400
In the United States, winds generally flow in what direction.
What is from west to east?
500
This is a measure of distance above sea level.
What is altitude?
500
Name the four air masses.
What is Continental Polar Air, Continental Tropical Air, Maritime Polar Air, and Maritime Tropical Air?
500
Name four types of severe weather.
What are thunderstorms, tornadoes, hurricanes, and monsoons.
500
Name the scientists that use data from weather stations, radar, and satellites to forecast the weather.
What are meteorologists?
500
Severe weather can form from ___________, which can form when air masses meet.