ES Unit 8 - Air Pollution

Front

What is a primary pollutant?

Back

A primary pollutant is a substance that is directly emitted from a source into the atmosphere, such as carbon monoxide from vehicles.

Front

What is a secondary pollutant?

Back

A secondary pollutant is formed through chemical reactions between primary pollutants and other substances in the atmosphere.

Front

What is required for a secondary pollutant to form?

Back

A chemical reaction between an air pollutant and another substance.

Front

Is air pollution listed as a cause of death for people?

Back

False.

Front

What is an example of human-caused air pollution?

Back

Factories in the industrial plant.

Front

What is an example of a natural cause of air pollution?

Back

Pollen and fungi spores.

Front

What are volatile organic compounds (VOCs)?

Back

VOCs are organic chemicals that can easily vaporize and contribute to air pollution, such as gasoline.

Front

What is particulate matter?

Back

Particulate matter consists of tiny particles or droplets in the air that can harm human health and the environment.

Front

What role does sunlight play in air pollution?

Back

Sunlight can stimulate photochemical reactions that lead to the formation of secondary pollutants.

Front

What is thermal inversion?

Back

Thermal inversion is a weather phenomenon where a layer of warm air traps pollutants close to the ground, worsening air quality.