Unit 2: Atmosphere Review

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

This gas makes up 78% of the atmosphere

• oxygen
• nitrogen
• ozone
• carbon dioxide

This layer of the atmosphere contains most of the ozone

• troposphere
• thermosphere
• mesosphere
• stratosphere

This layer is where weather occurs

• troposphere
• thermosphere
• exosphere
• stratosphere

What's the highest layer of the atmosphere? 

• Troposphere
• Thermosphere
• Exosphere
• Ozone Layer

What's the hottest layer of the Earth's atmosphere

• Troposphere
• Ozone Layer
• Exosphere
• Thermosphere

What is being illustrated in the picture?

• greenhouse effect
• coriolis effect
• global warming
• air pressure

What is the layer of gases called that surrounds Earth?

• atmosphere
• litosphere
• asthenosphere
• space

This is a protective layer of oxygen found in the stratosphere that keeps us safe from UV light

• Ozone layer

• Greenhouse layer

• Exosphere

• Mesospheric Zone