Atmosphere

How does temperature in the Troposphere change as the altitude increases? (click to enlarge picture)

• temperature increases

• temperature decreases

• temperature stays the same

What remains the same in each layer?

• temperature

• air pressure

• percentage of gases

Our _________ is the layer of gases that surrounds our planet.

• ocean
• weather
• atmosphere
• ozone

What percentage of the earth's atmosphere is oxygen?

• 78%
• 28%
• 71%
• 21%

What percentage of the earth's atmosphere is nitrogen?

• 78%
• 28%
• 71%
• 21%

Gas in the atmosphere that protects the Earth from the Sun's rays

• atmosphere

• troposphere

• ozone

• nitrogen

Which layer has the highest air pressure?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

A measure of the amount of water vapor in the air is called what?

• Rigidity
• Moisture
• Humidity
• Fog

The layers of the atmosphere in order from bottom to top are

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, atmosphere, thermosphere
• mesosphere, thermosphere, troposphere, stratosphere, exosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere

The layer of the atmosphere containing the ozone layer is

• troposphere
• stratosphere
• thermosphere
• mesosphere