NASA | Widely Used Coolants Contribute to Ozone Depletion
Interactive Video
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Geography, Science, Biology
•
5th - 12th Grade
•
Hard
Wayground Content
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the initial belief about hydrofluorocarbons (HFCs) regarding the ozone layer?
They were thought to be harmful.
They were believed to be greenhouse gases.
They were considered harmless.
They were known to deplete the ozone layer.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why were HFCs initially considered ozone-friendly?
They contain chlorine atoms.
They are less dense than air.
They do not contain chlorine atoms.
They are natural chemicals.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do HFCs contribute to ozone depletion according to NASA scientists?
By increasing atmospheric pressure.
By directly breaking down ozone molecules.
By trapping heat and speeding up chemical reactions.
By releasing chlorine atoms.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the projected impact of HFCs on global ozone levels by 2050?
A reduction of 0.035%
An increase of 0.035%
A reduction of 3.5%
No impact at all
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
By 2050, how significant could the contribution of HFCs to global warming be compared to carbon dioxide?
As large as 5% of carbon dioxide's impact
As large as 20% of carbon dioxide's impact
As large as 10% of carbon dioxide's impact
As large as 50% of carbon dioxide's impact
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