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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
34 cards
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Practice quiz
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Questions
34
Answers
1
Canada has 5 major drainage basin, which of the following is NOT one of them?
Pacific ocean
Mississippi
Hudson's Bay
Dried meat lake
2
What is run off?
Water than does NOT soak into the ground
Well water under ground
Water that soaks into the ground
3
In your notes, we learned about 2 types of tides, which on is NOT a type of tide in your notes?
Spring tide
Neap tide
Rip tide
4
Oceans take up how much percent of the earths surface?
70%
90%
10%
60%
5
The layers of permeable rock below ground which fill up with water is known as what?
water table
dried meat lake
erosion
acquifer
6
Any addition of undesirable substances to groundwater caused by human activity is known as..
Contamination of Oceans
Water Pollution
Contamination
7
True or False, Clay is a impermeable rock
True
False
8
The flat land between the high mountain ranges and deep trenches is called what?
Continental Shelves
Ocean Basins
Abyssal Plains
9
The salt in oceans comes from water flowing over earths surface. Another source of salt is?
underwater volcanoes
tectonic plates
trenches
ocean ridges
10
How are oceanic ridges formed?
2 tectonic plates moving away form each other
2 tectonic plates moving toward each other
11
North America's watershed's are divided by what?
Great Divide
Iron Wall
Dried Meat Lake
Continental Divide
12
The continental shelf slopes down to meet the ocean basin, what is this called?
Continental Slope
Hills
Underwater Volcanoes
13
As tectonic plates move apart what happens to the ocean?
It expands
It shrinks
14
What affects the "in" and "out" of a tide?
Gravitational forces of the moon
Gravitational forces of the sun and moon
Gravitational forces of the sun
15
Contamination of ground water can come from 2 sources, point sources and....?
Well water
Pesticides
Dried Meat lake
Non - point sources
16
Under water there is an area called the Continental Shelf, where is it?
Between the coast and ocean basin
Between the abyssal plains and trenches
Underneath the trenches
17
Neap tides occur when the sun and moon are what?
On opposite sides of the earth
Are at right angles from each other
18
The loss of soil or movement of soils is referred to as what?
Erosion
Tillage
19
What is the effect of runoff on erosion
Runoff increases erosion
There is no such thing as erosion
Runoff decreases erosion
Run off doesn't effect erosion
20
Which type of tide has extreme high tides and extreme low tids?
Spring
Neap
21
The system of water that flows through the permeable (porous rock) is called a .....
acquifer
drainage
water table
Runoff
22
Vast plains, Trenches, and Ocean Ridges are underwater landforms known as what?
Tectonic Plates
Underwater Volcanoes
Ocean Basins
23
What determines how fast a watershed is, or how big it is?
Wind and fire
The tide
Landforms such as mountains
24
Which of the following is NOT considered surface water
Lakes
Pond
Rivers
Well water
25
A "trench" is formed where the edge of an ocean plate meets what?
Continental Plate
Another ocean plate
Oceanic Ridge
26
What is a watershed also known as?
River
Wetland
Stream
Drainage basin
27
Upstream areas of a watershed are known as what?
Upstream
Delta
Headwater
Outflow
28
The closer you livde to the ocean the _________ the range in temperature is
less
more
29
What undersea land form is known to run along the center of the ocean, like an mountain range?
Continental Slope
Abyssal Plains
Trenches
Ocean Ridges
30
True or False, a pond is deeper than a lake
False
True
31
Which type of tide occur when the Sun, Moon, and Earth are in line?
Spring tide
Rip tide
Neap tide
32
The measure of the amount of salts dissolved in a liquid is known as
Magnesium
Trench
Salt level
Salinity
33
All the underwater landforms are shaped by movement of the Earth's what?
Tectonic plates
Oceans
Tides
34
The "thermocline" is known as what?
Sharp temperature changes at one area
The average temperature of the ocean
The temperature of the bottom of the ocean