Unit 14 Pollution

A colorless, odorless gas that decreases the blood's ability to carry oxygen.  Can cause faintness, death.

• Nitrogen oxides
• Ground-level ozone
• Carbon monoxide
• Sulfur dioxide

The Clean Air Act- regulates vehicle emissions.

• true

• false

Used on factory stacks to remove gases and particulate.

• Filters
• Emission reducers
• Scrubbers
• Filter Strips

An air pollution prevention mechanism found in vehicles. 

• combustion chamber
• electrostatic precipitator
• scrubber
• catalytic converter

What is a primary pollutant? 

• pollutant that is put directly into air by human activities
• pollutants that react with other primary pollutants

A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust.

• Water droplets

• Allergens

• Particulate matter

• Combustibles

What is a secondary pollutant? 

• pollutant that is put directly into air by human activities
• pollutants that react with other primary pollutants

Which of the following is an example of a primary pollutant?

• Acid rain

• Ozone

• Carbon monoxide

• Asbestos

We can prevent water pollution by:

• Reduce the use of plastic.

• Properly dispose of chemicals.

• Clean up after your animals.

• All of the above

Which of the following is not a natural cause of water pollution?

• Volcanoes

• Animal waste

• Oil spills

• Silt from storms and floods