Pollution (Grade 9)
Print Test
(Only the test content will print)
Name: | Date: |
---|
Pollution
1.
Substances released into the air are known as .
- emissions
- expulsions
- depositions
- absorptions
2.
Acid rain forms when gases in the atmosphere react with
- water vapor.
- smog.
- ozone.
- sulfur oxide.
3.
The thick, brownish haze formed when certain gases in the air react with sunlight is known as
- the ozone layer.
- photochemical smog.
- a temperature inversion.
- the greenhouse effect.
4.
Two harmful gases that can pollute the air indoors are
- ozone and carbon dioxide.
- carbon dioxide and CFCs.
- nitrogen and sulfur.
- carbon monoxide and radon.
5.
The water and human wastes that are washed down sinks, toilets, and showers is called
- emissions.
- sewage.
- groundwater.
- sediments.
6.
Global warming focuses on an increase in the level of which gas in the atmosphere?
- Carbon Dioxide
- Nitrous Oxide
- Sulfur Dioxide
- Ozone
7.
Most water pollution is caused by .
- volcanic eruptions
- sediments
- human activities
- droughts
8.
What is pollution that comes from many different sources that are often hard to identify?
- sludge
- point source
- nonpoint source
- smog
9.
Polluted groundwater is difficult to clean up because
- groundwater is deep in the ground and dispersed through large areas of rock.
- pollutants cling to the materials that make up the aquifer and contaminate the clean water.
- the recycling process of groundwater can take hundreds or thousands of years.
- all of the above
10.
Fertilizers flowing into a lake can cause the rapid growth of algae. How does the rapid growth of the algae affect the ecosystem of a lake?
- It attracts more birds and other wildlife to the lake.
- It prevents the loss of habitats for fish and other organisms.
- It causes a rapid increase in the population of fish in the lake.
- It causes a rapid increase in the population of plants in the lake.
You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access. | Go Back To Previous Page
Already a member? Log in for access. | Go Back To Previous Page