APES Unit 8 : Water Pollution & Treatment

Mine site drainage can often cause this:

• Cultural eutrophication

• Acidic runoff

• Land subsidence

• Saltwater intrusion

• Salinization

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

Which of the following is a non-point source of water pollution

• Effluent from a sewage treatment plant

• BP refiner in Indiana discharging ammonia in a river.

• Runoff of pesticides from regional farms into the Illinois River.

• Hot water discharges from a nuclear power plant.

• oil leak from the Exxon Valdez

Increased use of inorganic (lab-made) fertilizers on crops contributes to:

• Hypoxia in the Gulf of Mexico

• Increase in storm severity in southeastern U.S.

• Water shortages in California

• Saltwater intrusion on the East Coast.

• Increase levels of Mercury in Tuna

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is the danger in eating some fish from lakes or ocean?

• They may be invasive species.

• If abundant, they may lead to a crash in other species.

• If they are high on the food chain they may contain high levels of mercury or POP's like PCB's

• They may contain too many nutrients from fertilizers.

• They may contain parasites that cause cancer

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

All of the following are ways to disinfect wastewater EXCEPT:

• Chloroform
• Chlorine
• UV rays
• Ozone

This law sets standards on pollutants for community water supplies.

• Clean Water Act (CWA)

• Safe Drinking Water Act (SDWA)

• National Environmental Policy Act (NEPA)

• Oil Pollution Act

• Coastal Zone Management Act

Which of the following is a persistent inorganic pollutant that can impair neurological functioning?

• Lead

• DDT

• PCB's

• Atrazine

• Arsenic

What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant

• Subsidence

• Biomagnification

• Tragedy of the commons

• Bioaccumulation

• Cultural eutrophication

This law regulates the discharges of pollutants into all waters that have a significant connection with navigable waterways. Also, must have a permit to dump these pollutants. Also, requires certain steps in sewage treatment.

• Safe Drinking Water Act (SDWA)

• Clean Water Act (CWA)

• Oil Pollution Act

• National Environmental Policy Act (NEPA)

• Coastal zone management Act

Tags

NGSS.MS-ESS3-3

Strategies used to clean up oil spills include all of the following EXCEPT:

• Floating booms and boats to skim floating oil toward collectors

• Skimmers to absorb oil from the water

• Giant vacuums suck up as much oil as they can

• Chemical dispersants that break up the oil and help it to sink.

• Addition of limestone to neutralize the acidic water

Tags

NGSS.MS-ETS1-3