The Ozone Layer Question Preview (ID: 50068)


Ozone Layer Intro. TEACHERS: click here for quick copy question ID numbers.

The Montreal Protocol banned the use of CFCs. What do they hope this will do for the ozone layer?
a) Deplete it completely
b) Make the ozone hole larger
c) Thin the layer to allow more gas to escape
d) Make the ozone hole smaller

What chemical is responsible for breaking up the ozone?
a) Nitrogen
b) Carbon Dioxide
c) CFCs
d) Oxygen

Where is the ozone located?
a) troposphere
b) mesosphere
c) stratosphere
d) thermosphere

The Earth acts like a greenhouse that catches and traps heat from the sun.
a) True
b) False
c)
d)

This traps heat and absorbs gases (carbon dioxide, methane..) and keeps the earth warm. Allowing heat to go back into space prevents Earth from becoming too warm
a) Ozone Layer
b) The Greenhouse Effect
c) Greenhouse Gases
d) Mesosphere

How many oxygen atoms does a molecule of ozone contain?
a) 1
b) 2
c) 3
d) 4

The gas that is the second most abundant in the atmosphere is
a) Nitrogen
b) Argon
c) Uranium
d) Oxygen

Which of these sets of three items produce CFCs
a) cars, factories, and cardboard
b) spray cans, refrigerant, cardboard
c) spray cans, cardboard, insulation
d) spray cans, refrigerant, insulation

What absorbs ultraviolet rays in the atmosphere?
a) troposphere
b) stratosphere
c) ozone layer
d) greenhouse gases

The gas that is most abundant in the atmosphere is
a) Oxygen
b) Nitrogen
c) Carbon
d) Iron

Heat that enters the atmosphere from the sun is
a) More during the day
b) More during the night
c) Always the same - day or night
d)

Without the Greenhouse Effect the Earth would be
a) Too hot
b) Too cold
c) Just right
d)

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