Environmental Science Unit 9

What is air pollution?

• The contamination of food by bacteria

• The contamination of water bodies by pollutants

• The contamination of the atmosphere by pollutants

• The contamination of soil by chemicals

What is a primary pollutant?

• A pollutant that forms in the atmosphere

• A pollutant that is put directly into the atmosphere

• A pollutant that is found in soil

• A pollutant that is found in water

What is a secondary pollutant?

• A pollutant that forms in the atmosphere by chemical reaction

• A pollutant that is found in plants

• A pollutant that is found in food

• A pollutant that is put directly into the atmosphere

What is smog composed of?

• A mixture of dust and pollen

• A mixture of smoke and fog

• A mixture of water vapor and dust

• A mixture of gases and liquids

What is temperature inversion?

• The condition where cold air traps warm air near the surface

• The condition where warm air traps cooler air near the surface

• The condition where air temperature remains constant

• The condition where air temperature fluctuates rapidly

What is sick-building syndrome?

• A condition caused by soil contamination

• A condition caused by outdoor pollutants

• A condition caused by indoor pollutants

• A condition caused by water pollution

What is the most common unit used to measure loudness?

• Pascal (Pa)

• Decibel (dB)

• Hertz (Hz)

• Watt (W)

What is acid precipitation?

• Precipitation with a high concentration of bases

• Precipitation with a high concentration of salts

• Precipitation with a high concentration of acids

• Precipitation with a neutral pH

Tags

NGSS.MS-PS1-2

What does a pH value of less than 7 indicate?

• Neutrality

• Acidity

• Alkalinity

• Basicity

What is acid shock?

• The gradual increase of acidity in lakes

• The sudden runoff of large amounts of highly acidic water

• The slow decrease of acidity in streams

• The sudden increase of basicity in rivers

Tags

NGSS.MS-LS1-5