Ozone and CFC and Molina

What absorbs ultraviolet rays in the atmosphere?

• troposphere
• stratosphere
• ozone layer
• greenhouse gases

Tags

NGSS.HS-PS4-3

Which of these sets of three items produce CFCs

• cars, factories, and cardboard
• spray cans, cardboard, insulation
• spray cans, refrigerant, cardboard
• spray cans, refrigerant, insulation

How many oxygen atoms does a molecule of ozone contain?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

This protects us from harmful UV rays from the sun

• Troposphere
• Stratosphere
• Greenhouse Effect
• Ozone Layer

What chemical is responsible for breaking up the ozone?

• CFCs
• Carbon Dioxide
• Nitrogen
• Oxygen

Where is the "GOOD" ozone located?

• troposphere

• stratosphere

• mesosphere

• thermosphere

When oxygen gas in the stratosphere is struck by ________, it splits, leading to the formation of an ozone molecule.

• visible light

• ultraviolet radiation

• infrared

• gamma rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which is true about ozone formation and destruction?

• Its formation and destruction is an example of a dynamic process in nature.

• It forms when a free oxygen atom reacts with a molecule of oxygen.

• UV radiation breaks up ozone by splitting off an oxygen atom.

• Ozone cannot reform once it absorbs UV radiation.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Ground level ozone is created mostly by-

• burning fuel for cooking

• producing electric power

• industrial emissions

• motor-vehicle exhaust

Tags

NGSS.MS-PS1-2

Which of the following is an important contributor to both global warming and ozone depletion?

• A release of chlorofluorocarbons to the atmosphere

• A buildup of methane in the stratosphere to higher-than-preindustrial levels

• An increase in the levels of ultraviolet radiation reaching Earth’s surface

Tags

NGSS.MS-ESS3-5