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- 1. Multiple ChoiceWhat is a watershed?
One body of water that drains into a larger body of water
A collection of water underground that can be used as a water supply
An area of land that drains into a specific body of water
- 2. Multiple Choice
How do most pollutants get into our watershed?
Factories dump pollution into creeks and rivers
Runoff from heavy rain carries it into creeks and rivers
Oil spills leak into creeks and rivers
- 3. Multiple Choice
Why should we be concerned with runoff water from neighborhood and city streets that goes into storm drains?
It can host alligators and other dangerous animals
It can get into water pipes and flood houses and businesses
It isn't filtered or cleaned and empties directly into creeks
- 4. Multiple Choice
Bacteria is one of the main pollutants of concern in our watershed. What is the source of most pathogenic (harmful) bacteria that gets into our waters?
Animal feces or human sewage
Trash
Fertilizers
- 5. Multiple ChoiceExcess nutrients can be harmful to our watershed. Where do excess nutrients, such as nitrogen and phosphorous, typically come from?
Sediment or dirt
Oil and chemical spills
Overuse of fertilizers
- 6. Multiple Choice
High levels of sediment in the water can be harmful to aquatic plants and animals. Which of these human activities can lead to soil erosion?
Applying fertilizer on lawns and crops
Allowing pet waste to wash into the watershed during rains
Construction sites for new neighborhoods and businesses
- 7. Multiple ChoicePet owners should pick up pet waste instead of leaving it on the ground. How can this help protect our watershed?
It reduces the bacteria and nutrients that get into our water
It keeps the water from getting muddy
It helps the water smell clean
- 8. Multiple Choice
Excess nutrients in the water can be harmful, because they lead to -
High levels of sediment in the water
Pathogenic (disease causing) bacteria in the water
Algae blooms and low oxygen levels in the water
- 9. Multiple Choice
One of the most effective ways to prevent soil erosion is to -
Cover bare soil with concrete or bricks
Spray fertilizer on the soil
Plant grasses, shrubs, and trees in areas of bare soil
- 10. Multiple Choice
How might a concrete septic tank cause problems in the watershed?
The tank or its pipes could crack and leak sewage, which could pollute the groundwater
Harmful chemicals from the concrete can soak into the soil and be washed into creeks
The toxic chemicals in the tank could kill nearby plants and lead to soil erosion
- 11. Multiple Choice
How could liquid pollution on the surface often end up polluting the groundwater deep underground?
It can percolate through the soil and reach the groundwater
Strong winds can blow it into the cracks of rocks
It can enter the water cycle and go into caves
- 12. Multiple Choice
How could an underground storage tank that stores gasoline accidentally pollute the groundwater?
The tank or its pipes could crack and leak, and gas can percolate down to the groundwater
Gas that is pumped out can drip onto the concrete and get washed away by rain runoff
Gas fumes from the tank can leak out and get into the air
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