Atmosphere Test Review

Using the graph, answer the following question. In these two layers, the temperature decreases as altitude increases.

• Troposphere & Mesosphere

• Stratosphere & Thermosphere

• Troposphere & Thermosphere

• Troposphere & Stratosphere

The density of our atmosphere _______________ with an increase in altitude.

• increases

• gets greater

• decreases

• gets heavier

Atmospheric pressure _________________ with ___________________ altitude.

• decreases with increased

• decreases with decreased

• increases with increased

The atmosphere is composed of mainly

• Oxygen

• Nitrogen

• Argon

• Carbon Dioxide

The most dense layer of the atmosphere.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

Which layer is the coldest?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

The Northern Lights are found in this layer.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

Most weather occurs in this layer.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

The Ozone layer is in this layer of the atmosphere.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

What makes up 21% of our atmosphere?

• Oxygen

• Nitrogen