Air Mass
A large body of air that has similar temperature, humidity, and pressure.
What is an air mass?
This means how close air molecules are too each other.
What is air density?
This is what we call how hot or cold the air is.
What is the temperature?
This is the layer of air closest to the Earth.
What is the troposphere?
This is the weight of air pressing down on us.
What is atmospheric pressure?
This type of air mass is very cold, dry air.
What is an arctic air mass?
This kind of air is lighter because the molecules move faster and spread out.
What is warm air?
Air feels this way when it has a lot of heat.
What is warm or hot?
This layer contains the ozone layer.
What is the stratosphere?
When you go up a tall mountain, you feel out of breath because the air pressure is ________.
What is lower?
This air mass brings hot, humid weather.
What is a maritime tropical air mass?
At the top of a mountain, air gets _______, making it harder to breathe.
What is thinner?
When air loses heat, it feels this way.
What is cold?
This layer of air is very hot but so thin you don't feel it.
What is the thermosphere?
This happens to your ears when a plane takes off because of changing air pressure.
What are your ears popping?
This type of air mass forms over land.
What is a continental air mass?
Airplanes need _______ air because their wings push on the air to lift them up.
What is dense?
This tool measures air temperature.
What is a thermometer?
This layer is the outermost part of Earth's atmosphere.
What is the exosphere?
When divers go deep underwater, they feel ________.
What is heavy pressure?
This is the term for when two different air masses meet.
What is a front?
Helium makes your voice sound funny because it is ______ compared to normal air.
What is less dense?
Temperature changes can make air do this, moving from one place to another.
What is create wind or move?
This is the thickest layer where almost all weather happens.
What is the troposphere?
This happens to soda cans when the air pressure around them changes.
What is they can pop or crush?