Atmosphere

Front

What is the coldest layer of the atmosphere?

Back

Mesosphere

Front

Which substance is believed to be responsible for the hole in the ozone layer?

Back

CFC's (Chlorofluorocarbons)

Front

What gas makes up 21% of the atmosphere?

Back

Oxygen

Front

Which layer of the atmosphere has the greatest concentration of gas particles?

Back

Troposphere

Front

What does it mean when we say the atmosphere 'grows thinner' as one moves upward from the Earth's surface?

Back

The air is less dense and lower in pressure.

Front

What is the primary function of the ozone layer?

Back

To absorb the majority of the sun's harmful ultraviolet radiation.

Front

What are the main components of the Earth's atmosphere?

Back

Nitrogen (78%), Oxygen (21%), Argon (0.93%), and other gases.

Front

What is the significance of the troposphere?

Back

It is the lowest layer of the atmosphere where weather occurs and where most of the air mass is found.

Front

What is the difference between the stratosphere and the troposphere?

Back

The stratosphere is above the troposphere and contains the ozone layer, while the troposphere is where weather occurs.

Front

What happens to temperature as you move higher in the troposphere?

Back

Temperature decreases with altitude.