The uneven heating of the Earth by the Sun results in temperature differences around the world which results in the rising and sinking of air in a circular pattern called _______________.
What are convention currents?
100
An important instrument in tracking tornadoes.
What is Doppler radar?
100
What type of air exists in a continental polar air mass?
What is cold, dry air?
100
The boundary between two air masses.
What is a front?
100
What does the "H" on a weather map stand for?
A region of high pressure.
200
The layer of the atmosphere where weather occurs.
What is the troposphere?
200
Measures wind speed.
What is an anenometer?
200
Why is cool air heavier than warm air?
What is Gas particles are more dense?
200
The amount of water vapor in the air.
What is humidity?
200
For the most part, climate is determined by these.
What are temperature and precipitation?
300
Clouds form in the troposhere when water vapor cools.
What is condensation?
300
Measures the direction of wind.
What is a wind vane?
300
This force causes air pressure.
What is gravity?
300
The weight of air pushing down on an area.
What is air pressure (or atmospheric pressure)?
300
This is how far north or south you are.
What is a latitude?
400
Air at the equator is warmer than air near the poles. This warm air rises creating ________?
What is low pressure?
400
Measures the amount of air pressure in the atmosphere.
What is a barometer?
400
Air pressure does this ____as you move up in the atmosphere?
What is decreases?
400
The place where the Sun's rays shine at the most direct angle.
What is the equator?
400
A large body of air with similar temperatures and moisture throughout it.
What is an air mass?
500
Cold currents absorb heat from the air. This makes those areas cooler. The California current keeps the state ______.
What is cooler?
500
Measures the amount of precipitation, or rain.
What is a rain gauge?
500
This is a fast, long-distance wind pattern that travels above global winds.