Stratospheric Ozone Depletion

Which layer of the atmosphere is closest to earth?

• Mesosphere

• Thermosphere

• Troposphere

• Stratosphere

The protective layer of "good" ozone is found in which layer of the atmosphere?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

What is the function of the ozone layer?

• Moderates surface temperatures by absorbing CO2

• Reflects UV rays back into space

• Absorbs harmful UV rays

• Increases mutation rates

Ozone in the stratosphere is formed in two steps. The first involves breaking down oxygen (O2) by

• particulates

• carbon dioxide

• ozone

• sunlight

Tags

NGSS.HS-PS1-2

One you have atomic oxygen (O) it combines with _______ to form ozone.

• Carbon dioxide (CO2)

• oxygen (O2)

• Atomic Oxygen (O)

Tags

NGSS.MS-PS1-1

In which layer does weather occur?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

Tags

NGSS.MS-ESS2-5

The ozone layer is broken down by which of the following chemical?

• SOx & H2SO4

• NOx & VOCs

• CFCs and halons

• CO2, CH4,

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-3

CFCs come from

• refrigerants & aerosols

• Coal burning power plants

• Combustion engines (Vehicle exhaust)

• Acid Deposition

CFCs are made up of which three compounds

• Calcium, fluorine,

  carbon

• Chlorine, Fluorine, Carbon

• Carbon, Bromine, Calcium

• Chromine, Fluoride, Carbon

Tags

NGSS.MS-PS1-1

The ozone hole is over which place?

• Antartica

• South America

• Aftrica

• Arctic