Pollution - grade 5

What is the name of garbage that is thrown on the street?

• litter

• sewage

• ozone

• scrubbers

Some pollution can be caused by natural events like forest fires and volcanoes.

• true

• false

what are examples of garbage

• banana peel

• soup can

• old clothes

• newspaper

what is a type of pollution

• air pollution

• water pollution

• recycling

What special features do you find in a sanitary landfill that helps make it more safe?

• hole in ground is lined with clay and plastic

• vent pipes let methane gas escape

• garbage is spread into thin layers and covered with soil

• thick layer of soil is spread on top when hole is full

• trees and small plants are planted on top to keep soil in place

What is a problem with sanitary landfills?

• they need too many workers to manage them

• they can only be built in warm climates

• they take up too much space

This is a type of furnace that is designed for burning waste material.

• sewage

• sanitary landfill

• scrubber

• incinerator

What are benefits to using an incinerator?

• they can turn a 30 gallon bag of trash to a small bag of ash

• there is no pollution associated with them

• they can use the heat from burning trash to boil water - make electricity

• they can burn all materials

What is added to incinerators to help reduce air pollution?

• sewage

• smog

• scrubbers

• ozone

The gases in the air help support life on Earth.

• true

• false