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Sun Awareness Quiz

What percentage of UV rays are absorbed by the ozone layer?
25%
59%
75%
99%
What two items release chlorofluorocarbons (CFCs)?
refrigerants
trees
grass
solvents
When CFCs and ultraviolet radiation react in the stratosphere, what chemical is created?
oxygen
calcium
chlorine
hydrogen
What does this chemical cause when created in the stratosphere?
ozone growth
ozone colour change
ozone depletion
nothing
One chlorine atom can destroy how many ozone molecules?
1,000
10,000
70,000
100,000
What effect do UV rays have on life on earth?
causes skin cancer
causes sun burn
causes catalact
all of the above answers
What are the three different kinds of UV rays?
UV-A
UV-B
UV-C
UV-D
How would you protect yourself from harmuful UV rays?
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