Ozone Layer and Acid Rain Quiz

What is the main function of the ozone layer in Earth's atmosphere?

• To produce oxygen for living organisms

• To absorb harmful ultraviolet (UV) radiation from the Sun

• To trap greenhouse gases

• To reflect visible light

Which chemical compounds are primarily responsible for the depletion of the ozone layer?

• Carbon dioxide and methane

• Chlorofluorocarbons (CFCs)

• Nitrogen oxides

• Sulfur dioxide

What is acid rain?

• Rain that contains dissolved oxygen

• Rain with a pH lower than normal due to pollutants

• Rain that is colored due to dust particles

• Rain that falls during thunderstorms

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NGSS.MS-PS1-2

Which gases are mainly responsible for causing acid rain?

• Oxygen and nitrogen

• Carbon monoxide and methane

• Sulfur dioxide and nitrogen oxides

• Hydrogen and helium

How do chlorofluorocarbons (CFCs) lead to the depletion of the ozone layer?

• By directly absorbing UV radiation

• By releasing chlorine atoms that break down ozone molecules

• By increasing the greenhouse effect

• By forming clouds that block sunlight

Describe the process by which acid rain forms in the atmosphere.

• Water vapor condenses and falls as rain

• Pollutant gases react with water vapor to form acids, which then fall as rain

• Rainwater mixes with soil and becomes acidic

• Sunlight causes rain to become acidic

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NGSS.MS-PS1-2

Which of the following is a direct environmental effect of acid rain?

• Increased plant growth

• Damage to aquatic life in lakes and rivers

• Decrease in atmospheric oxygen

• Formation of ozone holes

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which method can help prevent acid rain?

• Increasing the use of fossil fuels

• Reducing emissions of sulfur dioxide and nitrogen oxides

• Planting more trees only

• Using more chemical fertilizers

A city is experiencing increased levels of acid rain. Using your knowledge, explain how this could affect the local environment and suggest one way the city could address the problem.

• Acid rain will make the air cleaner; the city should increase car usage.

• Acid rain can damage buildings and harm plants; the city could reduce industrial emissions.

• Acid rain will improve soil quality; the city should use more fertilizers.

• Acid rain has no effect; no action is needed.

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NGSS.MS-LS2-4

Suppose a country has successfully reduced the use of CFCs. Predict and explain the likely impact this will have on the ozone layer over time.

• The ozone layer will continue to deplete rapidly.

• The ozone layer will gradually recover as fewer ozone molecules are destroyed.

• There will be no change in the ozone layer.

• The ozone layer will disappear completely.