Characteristics and Layers of the Atmosphere

Front

Which is the most abundant gas found in the air we breathe (the atmosphere)? Helium, Nitrogen, Oxygen, Argon

Back

Nitrogen

Front

Which is the second most abundant element found in the air we breathe (atmosphere)? Helium, Nitrogen, Oxygen, Argon

Back

Oxygen

Front

What is the difference between ozone and the oxygen we breathe?

Back

Ozone has three oxygen atoms, but the oxygen we breathe has two.

Front

What does the ozone do?

Back

Absorbs harmful UV radiation from the sun

Front

Why is the ozone breaking down?

Back

Chlorofluorocarbons (CFCs) released by refrigerators and air conditioners

Front

Above which continent is the "hole" in the ozone primarily located? Options: North America, South America, Australia, Antarctica

Back

Antarctica

Front

Is the hole in the ozone permanent?

Back

No, because we've stopped emitting CFCs

Front

What is the term used to describe tiny solid and liquid particles in the atmosphere, such as dust, volcanic ash, & pollen?

Back

Particulates

Front

What holds the atmosphere in place?

Back

Gravity

Front

What is the force exerted on the surface of the Earth by the weight of the atmosphere?

Back

Atmospheric pressure