How did COVID lockdowns affect air pollution? | Baamboozle - Baamboozle

English 15 Public

How did COVID lockdowns affect air pollution?

Study Slideshow

What is pollution concentration？

The amount of pollution in the air.

15

What is PM2.5 stands for ？

Fine Particulate Matter - Airborne particles that are less than 2.5 microns across.

20

What is Fuel？

Material that is burned for energy.

15

What is Lockdown？

A government policy limiting when people could go out of their homes.

15

Nitrogen dioxide （NO2）comes from what？

Nitrogen dioxide (NO2) comes from cars and other machines that burn fuel.

20

What do we call any harmful substance in the environment?

Pollutant

15

A form of energy that is emitted by the sun and artificial sources, such as tanning beds.

Ultraviolet (UV) radiation

15

Breathing in pollutants can irritate which 2 human organs?

throat and lungs.

20

Air pollution only comes from human activity. True or False?

Wrong! Air pollution only comes from human activity and natural sources.

20

Nitrogen dioxide （NO2）reacts with other chemicals in the air, making ________.

ozone

25

causinNitrogen dioxide （NO2）reacts with other chemicals in the air, causing ___________________ .

causing acid rain.

25

What blocks harmful ultraviolet radiation in the stratosphere?

Ozone

25

What happen if Ozone forms near the ground?

cause breathing problems, and makes it hard for plants to grow.

25

particulate matter (PM2.5) is the name of a specific chemical.

PM2.5 refers to all particles smaller than 2.5 microns.

25

Air pollution is affected by the weather.

Ture or False

15