Air Pollution (Unit 4)

Multiple Choice

What is the air around us called?

• water

• the sky

• the atmosphere

• dirt

Multiple Choice

What do we need air for?

• to drink

• to breathe

• to see

Multiple Choice

What is air pollution?

• harmful things in the air that can hurt the environment and hurt human health

• harmful things in the water that can hurt the environment and hurt human health

• clean air

Multiple Choice

Which picture shows air pollution?

Multiple Choice

In the picture, what is the source of most of the air pollution?

• cars

• trees

• lights

• buildings