Characteristics and Layers of the Atmosphere

Front

Which is the most common gas found in the air we breathe?

Helium

,

Nitrogen

,

Oxygen

,

Argon

Back

Nitrogen

Front

Which is the second most common element found in the air we breathe?

Back

Oxygen

Front

What does the amount of water vapor in the air NOT depend on? Options: Season, Time of day, How much people drink, Location

Back

How much people drink

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?
Options:
- Harmful chemicals (CFCs) released by refrigerators and air conditioners
- It has broken down naturally
- The greenhouse effect
- Radiation

Back

Harmful chemicals (CFCs) released by refrigerators and air conditioners

Front

Above which continent is the "hole" in the ozone primarily located?

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