Layers of the Atmosphere

The two most common gases in the atmosphere.

• Nitrogen and Oxygen
• Oxygen and trace gases
• Carbon Dioxide and Nitrogen
• Nitrogen and trace gases

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in
• to allow meteors to get to Earth

The hottest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere

Which phenomenon can be seen only in the ionosphere?

• ozone layer
• Aurora Borealis
• Highlands
• water vapor

This is the layer where airplanes fly.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

What happens to the density (thickness)/air pressure of the air as you increase in altitude?

• density increases
• density decreases
• density stays the same
• density disappears

This is the layer where meteors, or shooting stars, burn up.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

The higher you go, the air becomes _____ _____.

• More dense
• Less dense 

The layers of the atmosphere are separated according to this change. 

• Altitude 
• Elevation
• Temperature
• Distance from the sun

Tags

NGSS.MS-ESS2-6

The coldest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere