Front

When you stand outside, you are standing in the…

Back

troposphere

Front

Which gas in our atmosphere is most abundant?

Back

Nitrogen

Front

In which layer does the atmosphere have the greatest density of air molecules? Options: mesosphere, thermosphere, stratosphere, troposphere

Back

troposphere

Front

What percentage of our atmosphere is made up of other gases such as argon, carbon dioxide, methane and helium?

Back

1%

Front

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

Back

21

Front

What is the percentage of nitrogen in Earth's atmosphere?

Back

78%

Front

Which layer of the atmosphere contains the greatest amount of water vapor? Options: Thermosphere, Troposphere, Mesosphere, Stratosphere

Back

Troposphere

Front

In which layer of the atmosphere does weather occur? Options: Mesosphere, Thermosphere, Stratosphere, Troposphere

Back

Troposphere

Front

What DECREASES as you travel up in the atmosphere?

Back

Air Pressure

Front

What are the 2 most abundant gases in Earth's atmosphere? Options: carbon dioxide and oxygen, carbon dioxide and nitrogen, nitrogen and oxygen, nitrogen and hydrogen

Back

nitrogen and oxygen