Properties of Earth's Atmosphere

Why does the troposphere experience (have) the greatest amount of atmospheric pressure compared to the other atmospheric layers?

• It produces the ozone layer.

• It has the highest temperatures.

• It contains a high concentration of gas particles.

• It is the region in which weather occurs.

Which of these statements BEST describes (explains) temperature as elevation in the atmosphere increases?

• Temperature remains constant with elevation in the thermosphere.

• Temperature remains constant with elevation in the mesosphere.

• Temperature generally decreases with elevation in the stratosphere.

• Temperature generally decreases with elevation in the troposphere.

In which layer of Earth’s atmosphere does weather occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

On Mount Everest the temperature decreases as the altitude increases. The summit (highest point) of this mountain is in which atmospheric layer?

• mesosphere

• stratosphere

• thermosphere

• troposphere

What are the 2 most abundant gases in Earth's atmosphere?

• carbon dioxide and oxygen
• carbon dioxide and nitrogen
• nitrogen and oxygen
• nitrogen and hydrogen 

The bottom layer of the atmosphere, where almost all weather occurs, is the

• Stratosphere

• Troposphere

• Thermosphere

• Mesosphere

Layer of the atmosphere closest to Earth's surface

• Stratosphere

• Thermosphere

• Mesosphere

• Troposphere

The coldest layer of the atmosphere is the ________.

• Mesosphere
• Thermosphere
• Stratosphere
• Troposphere

As distance from Earth increases, air pressure ___________.

• decreases
• increases
• stays the same
• none of the above

Which of the following would be the best description of the atmosphere?

• A mixture of gases in space

• Where airplanes fly

• Layers of moisture that surround the Earth

• Layers of gases that surround the Earth