Earth's Atmosphere

What do we call the air and gasses that surround the earth?

• Atmosphere
• Troposphere
• Mesospherre
• Thermosphere

What part of our atmosphere is where the ozone layer is?

• Stratosphere
• Troposphere
• Mesosphere
• Thermosphere

In which part of the atmosphere will we find a tree growing?

• Thermosphere
• Stratosphere
• Mesosphere
• Troposphere

What part of our atmosphere is the coldest?

• Mesosphere

• Troposphere

• Thermosphere

• Stratosphere

The ozone layer is the part of the Stratosphere that protects from ultra violet rays from the _____________.

• moon

• stars

• sun

• planets

What is the order of the atmospheres from closest to earth to the farthest away from earth?

• Troposphere, Stratosphere, Mesosphere, Thermosphere
• Stratosphere, Troposphere, Thermosphere, Mesosphere
• Troposphere, Mesosphere, Thermosphere, Stratosphere, 
• Atmosphere, Mesosphere, Troposphere, Thermosphere

Which gas in our atmosphere is most abundant?

• Argon
• Oxygen
• Nitrogen
• Carbon Dioxide

Temperature in the stratosphere warms as altitude increases.

• True
• False

Temperature decreases as altitude increases in the Thermosphere.

• True
• False

What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?

• 1%
• 21%
• 78%
• 90%