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- 1. Multiple Choice
Look closely at the map of the watershed below. If water enters the watershed at the top of the mountain where the arrow is pointing, at which point will it stop draining?
Point A
Point B
Point C
Point D
- 2. Multiple Choice
Where are you most likely to find a watershed?
In a lake
On a mountain top
At the bottom of a valley
Everywhere
- 3. Multiple Choice
What definition BEST describes a watershed?
An area where water infiltrates the soil
An area where aquatic plants and animals thrive
An area where snow melts and changes into liquid water
An area that collects precipitation and drains it to the lowest point
- 4. Multiple Choice
The boundaries of a watershed are determined by ___________
Elevation
Soil type
The amount of water that flows
The kinds of organisms found in the area
- 5. Multiple Choice
Which of the following human activities is LEAST likely to affect watersheds?
Flying in an airplane
Cutting down trees
Fertilizing lawns
Reading a book
- 6. Multiple Choice
Which statement about water pollution is TRUE?
Pollution only affects surface water.
Pollution cannot be dissolved in water.
Pollution affects both surface and groundwater.
Pollution cannot travel through soil to groundwater.
- 7. Multiple Choice
Which of the following models BEST represents how water flows in a watershed?
A
B
C
D
- 8. Multiple Choice
Pollutants from a factory that enter the water in a watershed will have a negative effect on which of the following?
Local pond life
Rainfall rates
Direction of river flow
Available space for crops
- 9. Multiple Choice
A neighborhood in a small Texas town had to be evacuated because the houses were sinking due to a problem in the aquifer. What is the most likely cause of this problem?
Heavy rains caused oversaturation of soil foundations.
Overbuilding in the area polluted the ground water.
Runoff from fertilized land created a dead zone.
Excessive removal of water weakened the ground.
- 10. Multiple Choice
The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemical on the environment?
These chemicals are expensive to produce.
Runoff carries these chemicals into lakes and streams.
Storage space for these chemicals is limited.
Theses chemicals cannot be purchased in large bulk.
- 11. Multiple Choice
Aquifer is an area of permeable rock on the land surface that holds groundwater.
True
False
- 12. Multiple Choice
All water below the surface of land is called__________.
water table
watershed
groundwater
runoff
- 13. Multiple Choice
The process where water or irrigation runs over land and seeps into the ground, or flows into streams or oceans.
water cycle
runoff
precipitation
evaporation
- 14. Multiple Choice
The picture illustrates nonpoint source pollution.
True
False
- 15. Multiple Choice
Examine the picture provided. Which of the following is true about saturation zone?
It is above the surface water.
It is above the water table
It is a form of precipitation.
It is below the water table.
- 16. Multiple Choice
Which of the following best describes water table?
It is in unsaturated zone.
It is a surface water
it is the top of saturation zone.
It is an aquifer.
- 17. Multiple Choice
The picture shown is an example of______
runoff
point source water pollution
nonpoint source water pollution
ground water
- 18. Multiple Choice
Rapid growth of algae in a pond is often the result of -
loss of habitat due to commercial building.
flooding that causes water levels to rise.
excess nutrients from fertilizer runoff.
clogged river tributaries entering a lake.
- 19. Multiple Choice
Groundwater is recharged when rainwater infiltrates into the ground.
True
False
- 20. Multiple Choice
Runoffs recharge lakes and streams.
True
False
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