LAYERS
This layer is where 99% of water vapor is found
What is the troposphere
The amount of mass in a given volume of substance is its
Density
When two different air masses collide…
A front forms
Air moves from what type of an area to another
What is from high pressure to low pressure.
The percentage of oxygen in the atmosphere is approximately
What is 21%
The layer contains ozone.
What is the stratosphere
The direct transfer of electromagnetic waves is called
Radiation
What type of front forms when a warm air mass overtakes a slowly moving cold air mass
Warm front
A form of precipitation in which rain freezes as it falls through the air is called
Sleet
Air moves from what type of an area to another
What is low pressure to high pressure
The warmest layer of the atmosphere is the
What is the thermosphere
The upward movement of warm air and the downward movement of cool air is called a
Convection current
Which type of air mass brings cool, humid weather to the West Coast of the US?
Maritime Polar
The storms that produce the highest winds are
Tornadoes
When water turns from a gas (water vapor) back to a liquid it is called:
Condensation
This layer contains the aurora borealis
What is the thermosphere
Movement of air from sea to land is known as?
Sea breeze
When two cool air masses cut a warm air mass off from the ground, which kind of front forms?
Occluded front
What kind of weather can be expected at a warm front?
Cloudiness and light precipitation;
warm and mild weather follows.
The second layer of our atmosphere (where most of the clouds are) is:
Stratosphere
This layer is where meteors burn up
What is the mesosphere.
The temperature on a particular day is an example of what?
Weather
What kind of weather can be expected at a stationary front?
Many days of clouds and precipitation
Clouds form when humid air is cooled to
Its dew point
As the density of the air decreases, its pressure
Decreases