Earth's Atmosphere Flashcard

Front

What is the atmosphere?

Back

A mixture of gases that surrounds the earth

Front

What is a function of the earth's atmosphere?

Back

Provides the air we need to breathe

Front

How does the atmosphere protect us from the sun?

Back

By protecting us from the sun's ultraviolet rays/harmful rays

Front

What is the most abundant gas in the Earth's atmosphere?

Back

Nitrogen

Front

What percentage of the Earth's atmosphere is composed of oxygen?

Back

21%

Front

What forms of water can be found in the atmosphere?

Back

Liquid water (droplets), Solid water (snow and ice), Water vapor

Front

What can happen when conditions of the atmosphere change? (Water Cycle)

Back

Water vapor can change into snow or liquid water and rain or snow might fall from the sky

Front

Which layer of the atmosphere is closest to space?

Back

Exosphere

Front

Where is the ozone layer primarily located?

Back

Stratosphere

Front

What is the correct order of the atmosphere layers from the surface to space?

Back

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere