Show:
Name that pollution
Treat the water
Primary or Secondary
Clean Air Act
Name that step
100

What is the contamination of the atmosphere by wastes from sources such as industrial burning and automobile exhausts

air pollution

100

What is the first step in the water treatment process?

Screening

100

Is this a primary or secondary pollutant?

Household products

primary

100

When was the Clean Air Act founded?

1970

100

Picture 1

Screening

200

Substances that pollute the air can be in the form of ___________________, ___________________, ________

solids, liquids, gas

200

How many MAJOR steps are there in the water treatment process?

7

200

Is this a primary or secondary pollutant?

Ground Level Ozone

Secondary

200

What is the biggest contributor of air pollution in the world?

vehicles

200

Picture 2

Chlorination

300

is a pollutant that is put directly into the atmosphere by human or natural activity. An example would be soot from smoke

primary pollutant

300

What is the MAIN chemical that is put in our water that kills pathogens and is used during one of the last steps?

Chlorine

300

Is this a primary or secondary pollutant?

 motor vehicles

 Primary

300

What did the CLEAN AIR ACT do?

Gives the Environmental Protection Agency (EPA) the authority to regulate vehicle emissions in the United States.

300

Picture 3

Sedimentation

400

is a pollutant that forms in the atmosphere by chemical reactions with primary air pollutants, natural components in the air, or both

secondary pollutant

400

What is one of the main chemicals put into our water that help our teeth?

flouride

400

Is this a primary or secondary pollutant?

 acid rain

secondary

400

What are catalytic converters?

They clean exhaust gases of pollutants before pollutants are able to exit the tail pipe.

400

Picture 4

Coagulation/Flocculation

500

This air pollutant is colorless, odorless. What is it?

Carbon Monoxide

500

In the water treatment stage of sedimentation there is solid material left over that settle to the bottom of the cleaning tank. What are the solid particles called?

sludge

500

Is this a primary or secondary pollutant?

 VOCs

primary
500

One thing the Clean Air Act did?

required the gradual elimination of lead in gasoline

500

What does this chemical symbol stand for?


Cl

Chlorine