Unit 7 Review

VOCs . . . (a)  

• solidify at room temp
• evaporate at room temp
• melt at room temp
• condense into liquid at room temp

Tags

NGSS.MS-PS1-4

• 100 micrometers (mm)

• 100 centimeters (cm)

• 100 microns

• 100 nanometers (nm)

A strong VOC and greenhouse gas, made in excess from livestock.

• Carbon Dioxide

• Lead

• Mercury

• Methane

Tags

NGSS.MS-ESS3-5

A protective gas in the stratosphere, but a pollutant in the troposphere.

• Ozone

• Nitrogen

• Radon

• Methane

Check all that are considered primary air pollutants.

• Sulfur dioxide

• Carbon dioxide

• Ozone

• Methane

Which of the following is true of acid deposition?

• It kills fish by precipitating copper that causes lung mucus buildup

• It is a benefit to plants by leaching soil nutrients

• It increases the pH of aquatic ecosystems

• It damages statues, buildings, and car finishes

Tags

NGSS.MS-PS1-2

Anything less than 7 on the pH scale is:

• Acidic

• Neutral

• Alkaline

Cool air trapped below warm air, with the possibility of trapping pollutants near the surface.

• Cold Front

• Warm Front

• Temperature Inversion

• Heat Island

Humans alter the carbon cycle LEAST by:

• Burning fossil fuels

• Cutting down trees

• Population growth

• Exhaling

What do scrubbers do to control air pollution?

• They increase the efficiency of electricity generation

• They remove gases and particulates from exhaust

• They use electric charge to remove pollutants

• They convert pollutants to something less harmful

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2