Layers of the Atmosphere

The atmosphere is divided into ____ layers.

• 1
• 2
• 3
• 4

The layer of the atmosphere that is nearest the Earth's surface.

• Thermosphere
• Mesosphere
• Troposphere
• Stratosphere

All weather occurs in the ___________

• Thermosphere
• Troposphere
• Mesosphere
• Stratosphere

On which layer of the atmosphere is the ozone  concentrated?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Name the "minor layer" that separates  the troposphere from the stratosphere

• Tropopause
• Stratopause
• Mesopause
• Thermopause

This is the densest layer of the atmosphere.

• Thermosphere
• Troposphere
• Mesosphere
• Stratosphere

This layer concentrated in the stratosphere reduces the amount of harmful UV radiation that reaches earth.

• Ozone Layer
• Thermosphere
• Atmosphere
• Tropopause

The layer above the stratosphere.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

The farthest layer of the atmosphere from the Earth's surface.

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

As the altitude increases in the Troposphere, the temperature ________________

• Increases
• Decreases