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Watershed

Total questions: 23

Worksheet time: 19mins

Name
Class
Date
1.
Humans affect watersheds and wetlands by :
a)

spraying fertilizers and pesticides

b)

destroying habitats

c)

building many roads and parking lots

d)
all of the above
2.
A ___________________ is the area of land that collects runoff and channels it into a main river.
a)

ridgeline

b)

estuary

c)

river system

d)
watershed
3.
Where is water most likely to become contaminated?
a)

in a forest

b)

near a large farm

c)

at the top of the mountain

d)
at the bottom of the ocean
4.
Which of the following is an example of how humans can reduce the rate of natural erosion?
a)
plow cropland
b)
clear land of trees to build
c)
plant trees
d)
logging
5.
What is erosion?
a)
When rocks and sand are moved by water
b)
When water gets contaminated
c)
When plants grow next to a river
d)
When rocks are broken apart by water
6.
Which of the following can pollute water?
a)
Moss
b)
Pesticides
c)
Seaweed
d)
Fish
7.
The use of pesticides and fertilizers must be 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 chemicals on the environment?
a)
Runoff carries these chemicals into lakes and streams.
b)
Theses chemicals cannot be purchased in large bulk.
c)

These chemicals are expensive to produce.
d)
Storage space for these chemicals is limited.
8.
Waste from animals can contaminate water.
a)
True
b)
False
9.
We all live in a watershed.
a)
True
b)
False
10.
Water flows uphill.
a)
True
b)
False
11.

Pollution from humans has a _________

a)

negative impact on stream health

b)

positive impact on stream health

c)

no impact on stream health

12.

Areas of land (high elevation) that separates one watershed from another

a)

flood plains

b)

River systems

c)

Ridgelines OR divides

d)

watersheds

13.
Most water pollution is the result of __________________.
a)
natural processes
b)
animal waste
c)
human activities
d)
acid rain
14.
Which would increase the amount of runoff you get?
a)

More trees, shrubs, and plants

b)

more paved surfaces like roads and parking lots

15.

What is it called when creeks and smaller rivers join together to make a larger river?

a)

River Systems

b)

Estuary

c)

Watershed

d)

Flood Plain

16.
What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?
a)
Runoff
b)
Storm Drain
c)
Tributary
17.

What is a small creek or stream that feeds into a larger river called?

a)

Tributary

b)

Estuary

c)

Bay

d)

Watershed

18.

What is Point Source Pollution?

a)

When you cannot trace the direct source of pollution

b)

When you can trace the point of the source

19.

Use the map. Which state is NOT included in the Chesapeake Bay watershed?

a)

Virginia

b)

West Virginia

c)

North Carolina

d)

New York

20.

What type of water is found in estuaries like the Chesapeake Bay?

a)

Fresh Water Only

b)

Salt Water Only

c)

A mixture of Fresh and Salt Water

21.
An industrial power plant dumps its heated wastewater straight from a pipe into a stream. This is an example of -
a)
Point source pollution.
b)
Non-point source pollution.
22.
When pollution is found in surface or groundwater and we are unaware of where it originated, we call the pollution...
a)
non-point source pollution
b)
point source pollution
23.

Why are Buffer Zones beneficial to wildlife?

a)

The trees and shrubs slow down runoff, hold sediment in place, and prevent erosion.

b)

They prevent people from littering near streams rivers and lakes.