When fertilizers enter surface water, they cause problems in the watershed by -
increasing the amount of nutrients available to fish in lakes and streams.
clogging narrow streams and preventing water from flowing properly.
raising the water level in nearby rivers to levels leading to flooding.
causing rapid algal growth that decrease oxygen levels and choke aquatic life.
2. Multiple Choice
2 minutes
1 pt
Pollutants from a factory enter a stream or creek and travel to a river. River water tested with the pollutant found is called
point source pollution Available space for crops
nonpoint source pollution.
eutrophic pollution
riparian pollution
3. Multiple Choice
2 minutes
1 pt
The use of pesticides and herbicides 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?
Runoff carries these chemicals into lakes and streams.
Theses chemicals cannot be purchased in large bulk.
These chemicals are expensive to produce.
Storage space for these chemicals is limited.
4. Multiple Choice
2 minutes
1 pt
The illustration provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the most likely source for this pollution?
City 1 and City 2
City 2 and City 3
City 3 and City 4
City 1 and City 4
5. Multiple Choice
2 minutes
1 pt
A industrial powerplant dumps its heated wastewater straight from a pipe into a stream. This is an example of -
eutrophic pollution over-treated drinking water.
riparian pollution flooding in the local aquifer.
point source pollution.
nonpointsource pollution.
6. Multiple Choice
2 minutes
1 pt
What is a watershed?
Land that collects and channels water froma small body of water to a larger body of water
The shape of the land determined by elevation
A natural stream of water of considerable volume
A river and all its tributaries
7. Multiple Choice
2 minutes
1 pt
Why is gravity a factor in watersheds?
it causes the water to flow away from a watershed
it causes the water to flow towards a watershed
8. Multiple Choice
2 minutes
1 pt
What is topography?
a graph showing all the different topos
A map of all the waterways in an area
A map of different mountains in a mountain range that share watersheds
The shape of the land determined by the elevation
9. Multiple Choice
2 minutes
1 pt
What is a divide?
a natural stream of water of considerable volume
a continuous ridge that separates one watershed from another
small rivers or streams that flow into a larger river or stream
a body of fresh water found in low lying areas
10. Multiple Choice
2 minutes
1 pt
Define tributaries
small rivers or streams that flow into a large river or stream
a natural stream of water of considerable volume
precipitation that flows over the land to streams
a continuous ridge that separates a watershed
11. Multiple Choice
2 minutes
1 pt
What is a river?
a costal inlet or bay where fresh water mixes with salty water
a body of fresh water found in low lying areas
a small narrow passage of water
a natural stream of water of considerable volume
12. Multiple Choice
2 minutes
1 pt
Define tributaries
small rivers or streams that flow into a large river or stream
a natural stream of water of considerable volume
precipitation that flows over the land to streams
a continuous ridge that separates a watershed
13. Multiple Choice
2 minutes
1 pt
What is a lake?
a natural stream of water of considerable volume
small rivers or stream that flow into a larger river or stream
a body of fresh water naturally or man-made found in low lying areas
14. Multiple Choice
30 seconds
1 pt
Which of the following is NOT true about ponds and lakes?
Ponds are deeper than lakes.
Ponds contain more algae than lakes.
Lakes are larger than ponds.
Lakes are colder than ponds.
15. Multiple Choice
30 seconds
1 pt
A lake that stores water for human use is called a ____________.
dam
oxbow lake
reservoir
crater lake
16. Multiple Choice
30 seconds
1 pt
The build up of nutrients in a lake is a process called ________________.
eutrophication
volcanic eruption
algae buildup
pond death
17. Multiple Choice
30 seconds
1 pt
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?
Runoff carries these chemicals into lakes and streams.
Theses chemicals cannot be purchased in large bulk.
These chemicals are expensive to produce.
Storage space for these chemicals is limited.
18. Multiple Choice
30 seconds
1 pt
Overflow during a heavy rainstorm from a wastewater treatment plant would result in -
over-treated drinking water.
flooding in the local aquifer.
polluted runoff into nearby ponds.
weakened housing foundations.
19. Multiple Choice
30 seconds
1 pt
A collection of watersheds all discharging into the same major body of water is referred to as a
watershed.
drainage basin
river system
wetland
20. Multiple Choice
30 seconds
1 pt
Wetlands include all of the following except
marshes
bogs
fens
saddles
21. Multiple Choice
30 seconds
1 pt
A simple and effective way to help reduce nonpoint source pollution from running into our rivers, lakes, and streams is to
reroute the source of the pollution away from the watershed