Earth Science: Water Pollution
Test Quiz
1. Which of the following is not a natural cause of water pollution?
a. Volcanoes
b. Algae blooms
c. Animal waste
d. Oil spills
e. Silt from storms and floods
2. What type of water pollution can occur when sulfur dioxide gets into the Earth's atmosphere?
a. Oxygen depletion
b. Acid rain
c. Sewage pollution
d. Oil spills
e. Algae blooms
3. Where did the Exxon Valdez oil spill take place?
a. In the Indian Ocean
b. Near China
c. Off the coast of Alaska
d. In the Gulf of Mexico
e. Off the coast of New York
4. What can happen to fish when there isn't enough oxygen in the water?
a. They can suffocate
b. They can no longer float in the water
c. They can't see
d. They grow really big
e. Nothing, fish don't need oxygen
5. True or False: Many people on Earth do not have access to clean water.
a. TRUE
b. FALSE
c.
d.
e.
6. What type of water pollution is produced by farm animals?
a. Sewage
b. Animal waste
c. Pesticides and herbicides
d. Construction
e. Factories
7. What type of water pollution is produced from chemicals used to kill bugs and weeds?
a. Sewage
b. Animal waste
c. Pesticides and herbicides
d. Construction
e. Factories
8. How can you help prevent water pollution?
a. Don't use weed killer in the yard
b. Scrape plates clean
c. Don't put grease in the kitchen drain
d. Use less clean water
e. All of the above
9. Around how much of the Earth's water is fresh water?
a. 1%
b. 5%
c. 10%
d. 20%
e. 50%
10. True or False: Although water pollution is bad, it doesn't actually cause anyone to die.
a. TRUE
b. FALSE
c.
d.
e.
About this quiz: All the questions on this quiz are based on information that can be found on the Earth Science: Water Pollution page at www.ducksters.com/science/environment/water_pollution.php.
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