Earth's Atmosphere

Our atmosphere is made up of mostly what gas?

• Argon

• Oxygen

• Nitrogen

• Carbon Dioxide

In the stratrosphere the temperature increases as you travel farther from Earth.

• True

• False

In the Thermosphere the temperature increases as you travel farther from Earth.

• True

• False

What percentage of our atmosphere is made up of other gases (argon, water vapor, and carbon dioxide)?

• 1%

• 21%

• 78%

• 90%

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

• 1%

• 21%

• 78%

• 90%

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

• 1%

• 21%

• 78%

• 90%

In which layer of the atmosphere does weather occur?

• Mesosphere

• Thermosphere

• Stratosphere

• Troposphere

What layer of the atmosphere is CLOSEST to Earth?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

What is the second lowest layer of Earth's atmosphere?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

The layers of the atmosphere are divided according to changes in _________.

• altitude

• density

• composition

• temperature