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WorksheetsWatershed#2
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
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
2.
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 towards a watershed
3.
What is a divide?
a)
a natural stream of water of considerable volume
b)
a continuous ridge that separates a watershed
c)
small rivers or streams that flow into a larger river or stream
d)
a body of fresh water found in low lying areas
4.
Define tributaries
a)
small rivers or streams that flow into a large river or stream
b)
a natural stream of water of considerable volume
c)
precipitation that flows over the land to streams
d)
a continuous ridge that separates a watershed
5.
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
6.
What is a river?
a)
A large body of freshwater
b)
A saltwater inlet of the ocean
c)
A natural large stream of flowing freshwater
d)
An underground waterway
7.
The area that is drained by a river and all the streams that empty into it
a)
Water table
b)
Divide
c)
Watershed
d)
Delta
8.
What is the water that fills the cracks and spaces in underground soil and rock layers called?
a)
Groundwater
b)
Water Table
c)
Precipitation
d)
Snow
9.
The top of the groundwater’s zone of saturation - E
a)
Zone of Aeration
b)
Aquifer
c)
Surface water
d)
Water table
10.
What is a headwater?
a)
A large sea
b)
The mouth of a river
c)
The source of a river
d)
A small creek
11.
The place where a river begins is called the...
a)
Mouth
b)
Riverbed
c)
Bank
d)
Source
12.
What is an inlet partly separated from the ocean by land?
a)
Bay
b)
Estuary
c)
Habitat
d)
Tributary
13.
What are the substances that are detrimental to water quality and aquatic life called?
a)
Contaminants
b)
Erosion
c)
Pollution
d)
Nitrates
14.
What is the breakdown of dead plants and animals by bacteria?
a)
Decay
b)
Pollution
c)
Erosion
d)
Toxic Chemicals
15.
What is it called when rocks and soils are worn away by rushing water, rain, wind, or ice?
a)
Erosion
b)
Leaching
c)
Runoff
d)
Storm Drain
16.
What is a partially enclosed body of water that has a mixture of salt water from the ocean and fresh water from rivers and streams?
a)
Estuary
b)
Watershed
c)
Tributary
d)
Bay
17.
What is a substance, primarily made of nitrogen, phosphorus, and potassium, that helps plants grow?
a)
Fertilizer
b)
Pesticide
c)
Pollution
d)
Sediment
18.
What do you call the polluting nutrients that contain nitrogen?
a)
Nitrates
b)
Phosphates
c)
Pesticides
d)
Sediment
19.
What is pollution that does not come from a single, easily identifiable source?
a)
Nonpoint Source Pollution
b)
Point Source Pollution
c)
Sediment
d)
Toxic Chemicals
20.
What types of chemicals are used to kill unwanted insects?
a)
Pesticides
b)
Pollution
c)
Spawn
d)
Toxic Chemicals
21.
Which types of polluting nutrients contain phosphorus?
a)
Phosphates
b)
Nitrates
c)
Sediment
d)
Contaminants
22.
What do you call the contamination of air, soil, and water by harmful substances?
a)
Pollution
b)
Runoff
c)
Contaminants
d)
Fertilizer
23.
What is a stream or river that feeds into a larger body of water?
a)
Tributary
b)
Estuary
c)
Bay
d)
Watershed
24.
What is an area of land from which rain and snowmelt drains into a river, stream, or other body of water?
a)
Watershed
b)
Tributary
c)
Bay
d)
Runoff
25.
What is the soil, silt, and other material that is suspended in water and eventually settles out on the bottom of a river, lake, or other body of water?
a)
Sediment
b)
Fertilizer
c)
Pesticide
d)
Watershed
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