Unit 3: Atmosphere and Air Pollution

What gas makes up 78% of Earth's atmosphere?

• oxygen

• carbon dioxide

• argon

• nitrogen

Approximately how much of Earth's atmosphere consists of oxygen gas (02)?

• 33%

• 21%

• 12%

• 8%

What is the correct order of atmospheric layers starting from Earth's surface and moving outward?

• thermosphere,

  stratosphere,

  mesosphere,

  troposphere

• troposphere, mesosphere, stratosphere, thermosphere

• troposphere, stratosphere, mesosphere, thermosphere

• stratosphere,

  troposphere,

  mesosphere,

  thermosphere

Air density and atmospheric pressure both ___________ with higher altitude.

• increase

• decrease

Tags

NGSS.MS-ESS2-5

Air movement drives weather patterns in the:

• troposphere

• stratosphere

• mesosphere

• thermosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Ozone (03) naturally concentrates here:

• troposphere

• stratosphere

• mesosphere

• thermosphere

The ozone layer (in the stratosphere) benefits life on Earth by:

• reducing the amount of UV radiation that reaches Earth's surface

• increasing the amount of UV radiation that reaches Earth's surface

• serving as a greenhouse gas to trap heat within Earth's atmosphere

• providing additional oxygen for cellular respiration

Which form of ozone is beneficial to human health?

• Tropospheric ozone

• Stratospheric ozone

What causes moving objects to deflect to the right in the northern hemisphere, and to the left in the southern hemisphere?

• Plate tectonics

• Coriolis effect

• Convection currents

• Continental drift

Tags

NGSS.MS-ESS2-6

Warm moist air rises and cooler air sinks down to replace it, causing vertical air currents. This process is called:

• Coriolis effect

• Condensation

• Transpiration

• Convection circulation

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6