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WorksheetsES: Water
Total questions: 12
Worksheet time: 11mins
Name
Class
Date
1.
What is Eutrophication?
a)
over long periods of time, nutrients can build up in a lake
b)
As lake organisms die, bacteria break down the bodies and release nutrients into the water
c)
This process can change a lake - algae layers can become so thick that it blocks out sunlight and plants in the lake die
d)
All of the Above
2.
Toxins often appear at higher concentrations in higher trophic levels due to...
a)
bioaccumulation
b)
biomagnification
c)
bionicle
d)
bioengineering
3.
Water pollution that comes from many sources is considered...
a)
point source pollution
b)
nonpoint source pollution
c)
thermal pollution
d)
ocean pollution
4.
Fertilizer, sewage, and animal feces can wash in to water, leading to...
a)
thermal pollution
b)
artificial eutrophication
c)
desalination
d)
biomagnification
5.
Water pollution that comes from a single source is considered...
a)
point source pollution
b)
nonpoint source pollution
c)
thermal pollution
d)
ocean pollution
6.
Any substance that has a negative effect on water or the living things that depend on the water.
a)
water pollution
b)
trash
c)
air pollution
d)
sewage
7.
Our soil is permeable, this means it...
a)
can me shaped and molded into a new structure
b)
does not allow anything to pass through it
c)
allowing liquids or gases to pass through it.
d)
causes all drinking water to be clean
8.
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
9.
A industrial powerplant dumps its heated wastewater straight from a pipe into a stream. This is an example of -
a)
eutrophic pollution
over-treated drinking water.
over-treated drinking water.
b)
riparian pollution
flooding in the local aquifer.
flooding in the local aquifer.
c)
point source pollution.
d)
nonpointsource pollution.
10.
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
11.
Where is most freshwater located?
a)
In the ocean
b)
Frozen in ice
c)
In lakes
d)
In rivers
12.
Where do we and most cities get their water?
a)
Lakes and Rivers
b)
Underground Aquafers
c)
The Ocean
d)
Fiji
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