Human Impact on Air Sec 1 (w/ water review)

Air pollution is when _________ substances build up in the air to unhealthy levels.

• fun

• good

• harmful

• weird

A primary pollutant is....

• nitrogen and oxygen gas, as well as small amounts of argon, carbon dioxide and water vapor.

• A pollutant that is put into the air by human activity

• pollutants react with other primary pollutants or with naturally occurring substances such as water vapor.

• When harmful substances build up in the air to unhealthy levels

True or False. Secondary pollutants form when primary pollutants react with other primary pollutants or with naturally occurring substances such as water vapor.

• True

• False

Where does most (1/3) of our (the US) air pollution come from?

• cooking

• power plants

• burning wood

• motor vehicle emissions (gasoline)

The _____ ______ Act passed in 1970 and strengthened in 1990, gives the Environmental Protection Agency (EPA) the authority to regulate vehicle emissions in the U.S.

• dirty air

• clean water

• clean air

• dirty water

________ is when air pollution hangs over the urban areas and reduces visibility.

• smoke

• fog

• acid rain

• smog

What are the main causes of smog?

• pollutants released from homes

• pollutants released by vehicles and industries

• pollutants released from wastewater

• pollutants in acid precipitation

What is temperature inversion?

• The air above is warmer than the air below. The warmer air above keeps the cooler air at the surface from moving upward trapping pollutants below with the cooler air.

• When air pollution hangs over the urban areas and reduces visibility

• Burning fossil fuels releases sulfur dioxide and nitrogen oxides into the air.

• When primary pollutants react with other primary pollutants or with naturally occurring substances such as water vapor.

Water is a _____________ resource.

• nonrenewable

• nuclear

• renewable

• alternative

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What are the 3 main parts of the water cycle?

• precipitation, evaporation, and condensation

• evaporation, precipitation, and translation

• condensation, rain, and snow

• evaporation, condensation, and water

Tags

NGSS.MS-ESS2-4