Water Pollution Brain Pop

What can you infer from the fact that minor changes in water temperature can kill entire species?

• Many species are not well-suited to their natural habitats.

• Many species are extremely sensitive to changes in their environments

• Many species have extremely weak immunie systems

• Many species that live in water once lived on land.

Bodies of water often neutralize foreign substances. What does "neutralize" mean in this context?

• The water cools down hot substances

• The water turns foreign substances into food

• The water makes potentially dangerous substances harmless

• The water makes potentially dangerous substances even more dangerous

What does the word "thermal" mean?

• Related to temperature

• Related to water

• Related to marine life

• Related to pollution

Place the following events in sequence: A) Runoff from farms enters a pond; B) Methane and hydrogen sulfide are released; C) Anaerobic bacteria begin to thrive

• C, B, A

• C, A, B,

• A, B, C,

• A, C, B,

Place the following events in sequence: A) Runoff from farms enters a pond; B) Methane and hydrogen sulfide are released; C) Anaerobic bacteria begin to thrive

• Fish produce lots of young; anearobic bacteria cannot reproduce

• Fish require oxygen to survive; anaerobic bacteria don't

• Certain species of fish thrive in polluted water; anaerobic bacteria cannot

• Fish thrive in very hot temperatures; anaerobic bacteria thrive in very cold temperatures

What was one long-term effect of laws that banned factories from polluting American waterways?

• Individuals and families ended up polluting more than factories

• Water pollution disappeared almost entirely

• Factories started polluting Mexican and Canadian waters instead

• Anaerobic bacteria became endangered species.

Which pollutant is most commonly released into waterways by families and individuals?

• Laundry detergent

• Hot water that's been used to cool heavy machinery

• Pesticides and fertilizers

• Chemicals like benzene and PCBs

Wastewater can be decontaminated before being released back into rivers and streams. What does "decontaminate" mean?

• Heat up

• Cleanse

• Filter

• Freeze

How would you compare dissolving and dispersing waste materials?

• Dissolving them means flushing them with water; dispersing them means breaking them down

• Dissolving them means breaking them down; dispersing them means recycling them.

• Dissolving them means breakign them downs; dispersing them means spreading them out.

• Dispersing them means cleansing them; dissolving them means flushing them with water.

How can you best help prevent water pollution?

• By being careful with household chemicals you dump down the sin or into storm drains

• By refusing to use products make in large factories

• By never taking a bath or shower for more than 10 minutes.

• By drinkin gas as little water as possible.