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Fresh Water Systems Topic 3, 4 Flashcards | StudBud
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Fresh Water Systems Topic 3, 4
Fresh Water Systems Topic 3, 4
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A #grade 8 science review for #freshwater systems
Flashcards
23 cards
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Questions
23
Answers
1
The movement of soils or sediments is referred to as what?
Deposition
Tillage
Erosion
Weathering
2
What undersea land form is known to run along the center of the ocean, like a mountain range?
Trenches
Ocean Ridges
Continental Slope
Abyssal Plains
3
Which type of tide occur when the Sun, Moon, and Earth are in line?
Neap tide
Spring tide
Rip tide
4
Proximity to large bodies of water tends to make climate _______.
less
more
5
Oceans make up what approximate percentage of the Earth's surface?
60%
10%
90%
74%
6
Any addition of undesirable substances to groundwater caused by human activity is known as..
Acidification
Treatment
Water Pollution
Contamination
7
Which of the following is not actually a true tide?
Neap tide
Spring tide
Rip tide
8
As tectonic plates move APART what happens to the ocean floor?
underwater ridges form from magma
a trench is created
a subduction zone
9
The measure of the amount of salts dissolved in a liquid is known as
Magnesium
Trench
Salt level
Salinity
10
The layers of permeable rock below ground which fill up with water is known as what?
water table
wells
erosion
acquifer
11
Vast plains, Trenches, and Ocean Ridges are underwater landforms known as what?
Ocean Basins
Underwater Volcanoes
Fluvial landforms
Tectonic Plates
12
What is the effect of runoff on erosion
Run off doesn't effect erosion
Runoff decreases erosion
Runoff increases erosion
There is no such thing as erosion
13
What determines how fast a watershed is, or how big it is?
The tide
Landforms such as mountains
Wind and fire
14
What is run off?
Water than does NOT soak into the ground
Water that soaks into the ground
Well water under ground
15
Under water, the flat land between the high mountain ranges and deep trenches is called what?
Continental Shelves
Ocean Basins
Abyssal Plains
16
Under water there is an area called the Continental Shelf, where is it?
Underneath the trenches
Between the coast and ocean basin
Between the abyssal plains and trenches
17
A "trench" is formed where the edge of an ocean plate meets what?
Another ocean plate
Oceanic Ridge
Continental Plate
18
Neap tides occur when the sun and moon are what?
Are at right angles from each other
On opposite sides of the earth
19
North America's watershed's are divided by what?
Rivers
Lakes
Continental Divide
Valleys
20
What is a watershed also known as?
River
Stream
Wetland
Drainage basin
21
Upstream areas of a watershed are known as what?
Outflow
Upstream
Headwater
Delta
22
All the underwater landforms are shaped by movement of the Earth's what?
Tectonic plates
Oceans
Tides
23
What force affects the rising and lowering of a tide?
Gravitational forces of the sun and moon
Gravitational force of the sun
Gravitational force of the moon
Earth's axial tilt.