Describing Our Atmosphere

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 of the atmosphere contains most of the ozone

• troposphere
• thermosphere
• mesosphere
• stratosphere

This layer is where weather occurs

• troposphere
• thermosphere
• exosphere
• stratosphere

What is the hottest layer in the atmosphere?

• Ionosphere
• Stratosphere
• Thermosphere
• Mesosphere

As altitude increases, the temperature always increase

• True
• False

What is Radiation?

• Transfer of thermal energy by collisions between particles of matter
• Being bounced off
• Something getting soaked up
• The transfer of energy by electromagnetic waves

What kind of global wind is located near the North and South pole?

• Trade winds
• Westerlies
• Jet streams
• Polar easterlies

21% of the air is made up of this gas.

• Nitrogen
• Argon
• Oxygen
• Carbon Dioxide