atmosphere

What is a true fact about the mesosphere?

• it is the hottest layer
• meteors burn up here
• the ozone layer is found here
• Northern Lights happen here

A layer of air that surrounds Earth to keep us warm is called ...

• atmosphere
• Sun's rays
• ozone layer
• air pressure

What protects Earth from ultraviolet rays from the sun?

• ozone layer

• mesosphere

• air pressure

• troposphere

A layer of air that surrounds Earth to keep us warm is called ...

• atmosphere
• Sun's rays
• ozone layer
• air pressure

In what layer would you find the ozone layer?

• troposphere
• stratosphere
• mesosphere
• thermosphere

The Northern Lights occur in which layer?

• mesosphere
• exosphere
• thermosphere
• stratosphere

What layer comes next:
Troposphere - 
stratosphere -
?????

• mesosphere
• exosphere
• thermosphere
• ionosphere

What gas makes up the majority of the atmosphere?

• oxygen

• nitrogen

• water vapor

• carbon dioxide

What layer of the atmosphere is closest to outer space?

• mesosphere

• exosphere

• troposphere

• stratosphere

In what layer of the atmosphere would you find clouds and weather?

• troposphere
• stratosphere
• mesosphere
• thermosphere