Layers of the Atmosphere

How much of the sun's energy reaches the earth on a cloudy day?

This type of communication wave is reflected by particles in the ionosphere?

This is the coldest region of the atmosphere

The air in the stratosphere is less dense and more ______than the troposphere.

Radio waves bounce back from this minor layer.

This is the layer where high flying commercial jets fly.

This layer contains oxygen molecules with 3 atoms combined into one. It

The envelope of gasses surrounding the earth is called the_____.

What percentage of our atmosphere is nitrogen?

Which of the following is NOT a major layer of the atmosphere?

The atmosphere is composed of 5

The churning air in the troposphere helps determine the

This layer holds almost all of the water and most of the mass in the atmosphere.

Weather exists in this sphere.

How much of our atmosphere is oxygen?

Satellites orbit here.

The temperature in this layer can reach over 2000 degrees F.

What is the purpose of the ozone layer?

What happens to atmospheric pressure as you gain altitude?

This gas makes up one fourth of our atmosphere.

One way the atmosphere helps us is by absorbing solar____________

This is the most abundant gas in the air

This force holds the earth's atmosphere in place.

What is the most common gas in our atmosphere?

What is the molecule found in the ozone layer?

The energy of the sun is mostly changed to _______ energy when it hits the earth.