A large body of air with roughly the same temperature and humidity hear out.
100
What is a high pressure system?
A region experiencing air pressure significantly greater than surrounding atmosphere.
100
What is runoff?
Water the runs from the land to the waterways.
100
What type of weather is a low pressure system?
Rainy and cloudy weather.
100
In the United States, in which direction do prevailing wind patterns tend to move?
B. West to East
200
What is air pressure?
A force of air, molecules pressing on a surface
200
What is humidity?
The amount of water vapor in air.
200
What is a warm front?
The boundary between a mass of warm air to replace the cold air.
200
According to the diagram on page 146 the cold air mass is behind the page. Are the clouds likely to be flat or parallel to the ground?
The wind pattern moves east in the U.S.A. They are perpendicular to the ground.
200
What is the name for the boundary between two air masses of differing temperature, air pressure, and humidity?
A. Front
300
What is a cold front?
The border between a mass of cold air moving to replace warm air.
300
What is a jet stream?
High speed winds above the surface of Earth and meeting cold and warm.
300
What is a water cycle?
Water evaporates from the surface by the suns energy.
300
Look at the map above. The Brazil current flows along the coast of South America to the Falkland Islands, at the continent's southern tip. What effect does the Brazil Current have on the Falkland Islands?
It has a warm current.
300
What is the primary cause of the Earth's weather systems?
C. The uneven heating of the Earth's surface by the Sun
400
What is condensation?
A phase changes from a gas to a liquid.
400
What is a low pressure system?
A region experiencing air pressure significantly lower than surrounding atmosphere.
400
What is weather?
Short term changes in atmosphere, conditions, rainfall, cloud cover, air pressure, and temperature
400
What would happen if Western Europe no longer received air warmed by the Gulf Stream?
Cold currents from the Atlantic Ocean.
400
In which of the following phase changes is water absorbing heat energy?
B. An ice cube melts
500
What is evaporation?
Phase from a liquid to a gas.
500
What is precipitation?
Water that falls from various forms rain, snow, and hail.
500
You leave a bowl of room-temperature soil and a bowl of room-temperature water out in the sun. After 20 minutes, which will have the higher temperature: soil or the water?
Soil because it heats up faster. The water because it releases heat more.
500
What will happen as the high pressure system moves in?
C. The skies will clear up
500
On a warm day, Raul poured a glass of ice water. He noticed that beads of water formed on the outside of the glass almost immediately.