Understanding the Ozone Layer

What is the primary function of the ozone layer?

• To produce oxygen

• To absorb carbon dioxide

• To act as Earth's sunscreen

• To generate ultraviolet radiation

What has caused the ozone layer to thin?

• Global warming

• Meteor showers

• Solar flares

• Pollution

Tags

NGSS.HS-ESS3-4

What layer of Earth's atmosphere contains the ozone layer?

• Mesosphere

• Thermosphere

• Stratosphere

• Troposphere

What molecule is the ozone layer made of?

• Carbon dioxide

• Oxygen

• Ozone

• Nitrogen

Tags

NGSS.MS-PS1-1

What percentage of ultraviolet light does the ozone layer absorb?

• About 50%

• About 75%

• About 98%

• About 100%

What are the primary chemicals responsible for the breakdown of the ozone layer?

• Carbon monoxide

• Nitrous oxide

• Chlorofluorocarbons

• Sulfur dioxide

Tags

NGSS.HS-PS1-2

What elements does a CFC molecule contain?

• Carbon, Chlorine, and Fluorine

• Carbon, Hydrogen, and Oxygen

• Hydrogen, Nitrogen, and Carbon

• Oxygen, Sulfur, and Chlorine

What happens to CFCs when they are exposed to ultraviolet rays?

• They solidify

• They dissolve in the atmosphere

• They break down into substances including chlorine

• They combine with oxygen to form ozone

Tags

NGSS.HS-PS1-2

What is misleading about the term 'ozone holes'?

• They are actually filled with oxygen

• They are permanent and cannot be repaired

• They only occur in the troposphere

• They are more like thin patches than actual holes

Where has the ozone layer been particularly impacted by pollution?

• Above the equator

• Above the Antarctic

• Above industrialized countries

• Above the Arctic

Tags

NGSS.HS-ESS3-6