Weather Fronts #1
Elements of Weather
Air Pressure #1
Air Pressure #2
Weather Fronts #2
Mixed
Hard Facts
200

What is a front?

the boundary between two air masses

200

What is the condition of Earth’s atmosphere at a certain time and place?

Weather

200

What happens to air pressure as you increase in elevation?

It decreases or lowers

200

What happens to air pressure as you decrease in elevation?

It increases, goes up

200

What direction do the fronts move in?

In the direction the symbol is pointing.

200

How is a high pressure system formed?

cool air sinks

200

Cory's favorite color

Orange

400

How does a cold front form?

When a cold air mass pushes under a warm air mass, forcing the warm air mass to rise.

400

What is the measure of how hot or cold something is?

Temperature

400
What kind of weather does a low pressure system bring?

cold, cloudy, rainy

400

What happens to the amount of oxygen molecules as altitude increases?

Fewer molecules
400

What kind of front involves 3 different air masses?

Occluded Front

400

What is created by a difference in air pressure?

Wind

400

Mrs. Foster's favorite color

Pink

600

What symbol is used to represent a stationary front?

line with triangles and half circles on opposite sides.

600

What is the amount of water vapor in the air?

Humidity

600

What is the force of the atmosphere on the surface of the earth?

Air pressure

600

What does the L represent on a map and how does the wind move?

Low Pressure, counterclockwise

600

Are air masses that form over land dry or moist?

Dry

600

What does the H represent on a map and how does the wind move?

High pressure and clockwise

600

Mrs. Scoggins favorite color

Purple

800

What kind of weather does an occluded front bring?

Strong winds and heavy rain (tornadoes) 

800

What forms when water vapor condenses in the atmosphere?

Clouds

800

What happens when air is warmed or heated by the sun?

It rises

800

If a high pressure system is moving in, what kind of weather would you expect?

sunny, warm

800

What kind of weather is associated with a cold front?

Thunderstorms

800

What kind of front could create tornadoes?

Occluded front

800

Mrs. Lackey favorite color

Purple

1000

How does an occluded front form?

When a warm air mass gets caught between two cold air masses.

1000

What is used to measure air pressure?

Barometer

1000

What causes a low pressure system?

warm air rises and condenses as it cools

1000
High and low pressure systems are part of a cycle we call....

Convection

1000

Along a front, which air is forced upwards?

Warmer, less dense air

1000

What is the temperature at which more condensation than evaporation occurs?

Dew Point

1000

Most extreme volcanic eruption

Mount Tambora in 1815