Protecting Earth’s Air

Why are greenhouse gases important to the Earth's atmosphere?

• Greenhouse Gases reflect infrared radiation (in the form of heat), within which the infrared radiation is re-radiated towards space
• Greenhouse Gases absorb infrared radiation (in the form of heat), within which the infrared radiation cools the planet.
• Greenhouse Gases reflect infrared radiation (in the form of heat), within which the greenhouse gases re-radiate the heat back towards Earth.
• Greenhouse Gases absorb infrared radiation (in the form of heat), within which greenhouse gases re-radiate the heat back towards space

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NGSS.MS-ESS3-5

Why is an atmosphere with a high concentration of greenhouse gas molecules dangerous to living things?

• High concentrations of greenhouse gases will cool the atmosphere to the point that there will be a snowball effect earth.
• High concentrations of greenhouse gases will cool the atmosphere, but will be able to sustain life.
• High concentrations of greenhouse gases will warm the planet just right for life, just like "the Goldilocks Princple" states.
• High concentrations of greenhouse gases will warm the atmosphere to the point that it will be too hot for a suitable environment.

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NGSS.MS-ESS3-5

Natural processes that cause air pollution, and climate change, within the Earth's atmosphere can consist of:

• smokestacks and cars
• power plants and busses
• volcanoes and wildfires
• volcanoes and man-made-fires

Unnatural processes that cause air pollution, and climate change, within the Earth's atmosphere can consist of:

• Oceans spraying sea water
• Volcanic Euruptions
• Industrial Smokestacks
• Pollinated Trees and Flowers

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Due to natual and unnatural sources of air pollution, the greenhouse effect can include other molecules such as:

• Carbon Dioxide and nitrogen oxides
• Carbon monoxides and sulfur dioxides
• Hydrogen monoxides and sulfur dioxides
• sulfur monoxides, and nitrogen oxides

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Particulate matter, found within the atmosphere, can be defined as:

• a substance (such as hair spray or medicine) that is kept in a container under pressure and that is released as a fine spray when a button is pressed.
• the sum of all solid and liquid particles suspended in air, many of which are hazardous. This complex mixture contains for instance dust, pollen, soot, smoke, and liquid droplets.
• the matter that is only in the form of a solid which includes dust particles and pollen
• the matter that is only in the form of a liquid which includes water vapor and liquid water

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NGSS.MS-ESS2-5

Aerosols are a substance (such as hair spray or medicine) that is kept in a container under pressure which is released as a fine spray when a button is pressed. The Environmental protection Agency banned the use of this gas to prevent stratospheric ozone layer depletion?

• Ground Level Ozone (O3)
• Nitric Oxides (NO2)
• Sulfor Dioxides (SO2)
• Chlorofluorocarbons

Some of the greenhouse gases that are emitted by volcanoes, a natural type of forcing of air pollution, can include:

• water vapor
• carbon dioxide
• both water vapor and carbon dioxide
• methane and carbon monoxide

The basic composition of air can consist of:

• Nitrogen 21%, Oxygen 78%, Trace Gases 1% of the Earth's atmospheric composition.
• Nitrogen 1%, Oxygen 78%, Trace Gases 21% of the Earth's atmospheric composition.
• Nitrogen 78%, Oxygen, 21%, Trace Gases 1% of the Earth's atmospheric composition.
• Nitrogen .001%, Oxygen 78%, Trace Gases 21.9 % of the Earth's atmospheric composition.

Which of these problems can be caused by air pollution?

• Respiratory problems
• Reduced food sources for humans
• Increased disease for humans
• Decrease in global temperatures

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NGSS.MS-ESS3-4

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