Water Pollution Quiz

Which of the following is NOT a human cause of water pollution?

• Sewage

• Animal waste

• Pesticides and fertilizers

• Waste water and chemicals from factories

What can cause water pollution through natural causes?

• Factories

• Construction sites

• Volcanoes

• Littering

What is one of the human activities that cause water pollution?

• Algae blooms

• Silt from storms

• Trash from people littering

• Animal waste

What is a common pollutant from farms that causes water pollution?

• Algae blooms

• Pesticides and fertilizers

• Animal waste

• Silt from storms

A natural cause of water pollution mentioned in the text is (a)  

• Sewage
• Pesticides
• Silt from storms and floods
• Waste water from factories

What caused over 200 million gallons of oil to spill into the Gulf of Mexico?

• A) A hurricane

• B) An explosion at an oil well

• C) A shipwreck

• D) A pipeline leak

What can happen to fish when there isn't enough oxygen in the water?

• A) They can grow larger

• B) They can suffocate

• C) They can swim faster

• D) They can change color

Birds of prey that ate fishes infected with DDT (a)   .

• A) They grew larger
• B) They laid eggs with thin shells
• C) They became immune to pollutants
• D) They migrated to other areas

What can happen if there is too much sewage in the water?

• A) The water can become too salty

• B) The bacteria could use up so much oxygen that there won't be enough left for the fish

• C) The water can become too warm

• D) The bacteria could use up so much nitrogen that there won't be enough left for the fish

(a)   are especially affected by dirty, polluted water.

• Adults
• Young children
• Elderly people
• Teenagers