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WorksheetsWATERSHED
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
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?
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.
These chemicals are expensive to produce.
d)
Storage space for these chemicals is limited.
2.
What is a watershed?
a)
Land that collects and channels water froma small body of water to a larger body of water
b)
the shape of the land determined by elevation
c)
A natural stream of water of considerable volume
d)
a river and all its tributaries
3.
Why is gravity a factor in watersheds?
a)
it causes the water to flow away from a watershed
b)
it causes the water to flow down towards a watershed
4.
What is Point Source Pollution (PSP) ?
a)
When you cannot trace the direct source of pollution
b)
When you can trace the point of the source - "pipe to source"
5.
A lake that stores water for human use is called a ____________.
a)
dam
b)
oxbow lake
c)
reservoir
d)
crater lake
6.
A collection of watersheds all discharging into the same major body of water is referred to as a
a)
watershed.
b)
drainage basin
c)
river system
d)
wetland
7.
What is topography?
a)
a graph showing all the different topos
b)
A map of all the waterways in an area
c)
the shape of the land determined by the elevation
8.
Waste from animals can contaminate water.
a)
True
b)
False
9.
What are tributaries?
a)
People who honor others
b)
Smaller rivers that flow into larger rivers
c)
A lake or an ocean
d)
Large ships
10.
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
11.
Where is used water treated and cleaned?
a)
A filter
b)
A power plant
c)
A water treatment plant
d)
A dam
12.
A ___________________ is the area of land that collects runoff and channels it into a main river.
a)
rill
b)
gully
c)
stream channel
d)
watershed
13.
Pumice is a rock that contain tiny connect air spaces through which water can easily pass. This meas that pumice is _______________.
a)
permeable and weathers slowly
b)
permeable and weathers quickly
c)
impermeable and weathers slowly
d)
impermeable and weathers quickly
14.
___________ is the most powerful force of weathering and erosion because it can cause both chemical and mechanical weathering as well as erosion.
a)
wind
b)
water
c)
gravity
d)
ice
15.
Which type of weathering is shown in the picture?
a)
Chemical, ice wedging
b)
Mechanical, ice wedging
c)
chemical, abrasion
d)
mechanical, abrasion
16.
A ___________ is smaller stream or river that "feeds" a larger stream or river.
a)
rill
b)
gully
c)
watershed
d)
tributary
17.
Pollutants from a factory that enter the water in a watershed
will have a negative effect on which of the following?
will have a negative effect on which of the following?
a)
Available space for crops
Available space for crops
b)
Local pond life
c)
Rainfall rates
d)
Direction of river flow
18.
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
19.
Where is water most likely to become contaminated?
a)
forest
b)
near a cattle farm
c)
near a dam
d)
at the bottom of the ocean
20.
Wetlands are important to humans because:
a)
they provide flood protection
b)
they improve water quality
c)
they act as a filter
d)
all of the above
21.
Water flows uphill.
a)
True
b)
False
22.
Which of the following can pollute water?
a)
Moss
b)
Pesticides
c)
Seaweed
d)
Fish
23.
What is a watershed?
a)
A water park
b)
An area of land that drains into a stream, river, or lake
c)
A storm drain
d)
A place to store water for use in an emergency
24.
We all live in a watershed.
a)
True
b)
False
25.
What county was the lady, Ms. Sonya, that came and spoke to us, Thursday... What county was she from?
a)
Gwinnett
b)
Fulton
c)
Cobb
d)
Douglasville
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