Potholes may form on the bottom of a stream because of

particles rubbing and grinding against one another

The path of a stream can vary considerably, depending on the slope of the land and the

type of material through which the stream flows

For water to enter the ground, there must be

large enough spaces in the ground's surface material

Which of the following statements is NOT true about wetlands?

Wetlands only exist in freshwater areas

Which of the following is true about watersheds?

Each tributary in a stream system has its own watershed

An elevated area that separates one watershed from another

Which of the following statements is NOT part of the water cycle?

Water dissolves minerals from rocks it flows over

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Earth Science Chapter 9 Review

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Questions 20

Answers

1
Potholes may form on the bottom of a stream because of
an increase in suspended materials
changes in the stream's carrying capacity
particles rubbing and grinding against one another
an increase in the dissolved load
2
The amount of dissolved material that stream water carries is called
the dissolved load
suspended load
groundwater
the bed load
3
A blocked off meander eventually becomes
an oxbow lake
an alluvial fan
part of the stream again
rejuventated
4
Streams rely on an adequate water supply.
True
False
5
V-shaped channels like the Grand Canyon are formed by
streams overflowing their banks
a sudden decrease in stream gradient
streams capturing another stream
stream downcutting
6
The path of a stream can vary considerably, depending on the slope of the land and the
amount of rainfall
type of material through which the stream flows
bedload of the stream
amount of humus present in the soil
7
Floods can occur when water spills over the sides of streams.
False
True
8
For water to enter the ground, there must be
heavy precipitation
a sufficient amount of sand in the soil
large enough spaces in the ground's surface material
soil particles clumping together
9
In a stream, how are particles such as silt, clay and sand carried?
as bed load
in solution
as dissolved load
in suspension
10
Which of the following will hold water the best?
sand
rocks
gravel
clay
11
The carrying capacity of a stream is its
ability to transport sediment
volume of flow
rate of runoff entering the channel
stream bank height
12
A light gentle rain will infiltrate better than a heavy rain.
False
True
13
A meander is a small lake that forms from a glacier.
True
False
14
Which of the following statements is NOT true about wetlands?
Lack of oxygen and lack of minerals create a bad atmosphere for plants
Wetlands only exist in freshwater areas
Freshwater marshes often form along the stream's mouth
Wetlands result from eutrophication of a lake
15
Which of the following is true about watersheds?
Some streams do not have a watershed
Each tributary in a stream system has its own watershed
The size of a watershed depends upon its elevation
Watersheds always cover extremely large areas.
16
The carrying capacity of a stream is its
volume of flow
stream bank height
ability to transport sediment
rate of runoff entering the channel
17
What is a divide?
A break in a stream
An elevated area that separates one wetland from another wetland
An elevated area that separates one watershed from another
A broken section of a lake
18
Which of the following does NOT contribute to maintaining a lake's water supply?
underground sources
deposition
water from direct preciptation
runoff
19
Streams lengthen through
suspension
eutrophication
upstream flooding
headward erosion
20
Which of the following statements is NOT part of the water cycle?
Water dissolves minerals from rocks it flows over
Water soaks into the ground
Water falls as precipitation back to Earth
Water evaporates from bodies of water on Earth

Earth Science Chapter 9 Review Flashcards | StudBud