Ozone Depletion (2025)

Where is the "GOOD" ozone located?

• troposphere

• stratosphere

• mesosphere

• thermosphere

What is the primary function of the ozone layer found in the stratosphere?

• To trap heat

• To block ultraviolet radiation

• To support cloud formation

• To facilitate satellite communication

Tags

NGSS.HS-PS4-3

Why is the stratosphere ozone layer important to life on Earth?

• It absorbs all sunlight.

• It blocks harmful UV-B and UV-C rays.

• It increases oxygen levels.

• It reflects sound waves.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is the chemical formula for an ozone molecule?

• O2

• O3

• CO2

• H2O

Tags

NGSS.MS-PS1-1

Which type of UV rays does the stratospheric ozone primarily protect against? (see image for clue)

• UV-A

• UV-B and UV-C

• UV-D

• UV-E

What is a major consequence of CFCs reaching the stratosphere?

• They enhance plant growth

• They destroy ozone molecules

• They increase rainfall

• They reduce global temperatures

Which of the following products is NOT mentioned as a use for CFCs?

• Refrigerants

• Aerosol cans

• Foam products

• Solar panels

What is the chemical reaction that occurs when chlorine reacts with ozone?

• Cl + O2 → ClO + O3

• Cl + O3 → ClO + O2

• Cl + O3 → Cl2 + O2

• Cl + O2 → ClO + O3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many ozone molecules can one CFC molecule destroy?

• 1,000

• 10,000

• 100,000

• 1,000,000

Tags

NGSS.MS-PS1-3

What is the ozone hole?

• A severe thinning of the ozone layer over Antarctica

• A complete absence of ozone in the atmosphere

• A thickening of the ozone layer over the Arctic

• A natural phenomenon unrelated to human activity

Tags

NGSS.MS-PS1-3