Atmosphere, Clouds and Water Cycle Test

What is layer 1 called?

• stratosphere
• thermosphere
• mesosphere
• troposphere

What is layer 3 called?

• stratosphere
• thermosphere
• mesosphere
• troposphere

All weather occurs in the ___________

• Thermosphere
• Troposphere
• Mesosphere
• Stratosphere

On which layer of the atmosphere is the ozone  concentrated?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

The Ionosphere is found at the lower region of this layer

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

This gas makes up 21% of the atmosphere

• ozone
• oxygen
• nitrogen
• water vapor

This gas makes up 78% of the atmosphere

• oxygen
• nitrogen
• ozone
• carbon dioxide

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, thermosphere, exosphere, stratosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere
• troposphere, stratosphere, mesosphere, exosphere, thermosphere

This is the coldest layer of the atmosphere.

• troposphere
• thermosphere
• mesosphere
• stratosphere

This layer is the hottest.

• troposphere
• mesosphere
• stratosphere
• thermosphere