The Ozone Layer

Which layer of the atmosphere has clouds? 

• a)Troposphere
• a)Thermosphere
• a)Mesosphere
• a)Stratosphere

Which major layer of the atmosphere is ozonosphere found in? 

• a)Troposphere
• a)Mesosphere
• a)Thermosphere
• a)Stratosphere

Nitrogen oxides cause which problem?

• Acid rain 
• Heart damage 
• eye irritation 
• death

The gas that is most abundant in the atmosphere is

• oxygen
• nitrogen
• carbon dioxide
• argon

What absorbs ultraviolet rays in the atmosphere?

• troposphere
• stratosphere
• ozone layer
• greenhouse gases

Which of these sets of three items produce CFCs

• cars, factories, and cardboard
• spray cans, cardboard, insulation
• spray cans, refrigerant, cardboard
• spray cans, refrigerant, insulation

How many oxygen atoms does a molecule of ozone contain?

• 1
• 2
• 3
• 4

The Earth acts like a greenhouse that catches and traps heat from the sun.

• true
• false

What does this diagram illustrate?

• Ozone Layer
• The Greenhouse Effect
• Ultraviolet Radiation
• Layers of the atmosphere

This traps heat and absorbs gases (carbon dioxide, methane..) and keeps the earth warm. Allowing heat to go back into space prevents Earth from becoming too warm

• Ozone Layer
• The Greenhouse Effect
• Greenhouse Gases
• Mesosphere