3.3 Atmosphere

Which gas in our atmosphere is most abundant? (Which type of gas is most plentiful?)

• Argon

• Nitrogen

• Oxygen

• Oxygen

Draw a pie chart of the composition of the atmosphere in terms of gases:

Label the following N (nitrogen) Ox (oxygen) O (others)

Include the percent of abundance!!

The weight of air causes______ ________.

• Air Pressure

• Atmosphere layers

• Nitrogen Oxygen

• Air temperature

Air pressure ________ as altitude increases.

• Decreases

• Increases

• Stays the same

Without looking at your notes, DRAW the 4 lower layers of the atmosphere and indicate the temperature of each with a graph.

Label each layer with the first letter (T = troposphere)

Which layer of the atmosphere contains the ionosphere? (where the Northern Lights are)

• troposphere

• mesosphere

• stratosphere

• thermosphere

Which layer of the atmosphere has weather?

• troposphere

• 
  mesosphere

• stratosphere

• thermosphere

Which layer of the atmosphere contains the highest concentration of ozone?

• troposphere

• 
  mesosphere

• stratosphere

• thermosphere

Which protects humans from most of the harmful UV radiation received from the sun?

• Ozone Layer

• Troposphere

• Mesosphere

• Clouds

The layers of the atmosphere are classified according to changes in

• temperature and air pressure

• humidity and temperature

• 
  altitude and air quality

• 
  air pressure and oxygen levels