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unit 7 water and earth's surface Flashcards | StudBud
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unit 7 water and earth's surface
unit 7 water and earth's surface
50 terms
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Ms Deters earth science class
Flashcards
50 cards
F
Practice quiz
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Host live
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Questions
50
Answers
1
This part is 78% nitrogen and 21% oxygen.
biosphere
atmosphere
hydrosphere
geosphere
2
Falling back of atmospheric water to the Earth
precipitation
condensation
transpiration
evaporation
3
Water that exists beneath the land surface
groundwater
surface water
runoff
fog
4
Water can both cause mechanical and chemical weathering in rocks.
False
True
5
About what percentage of water covers the Earth’s surface?
71%
26%
55%
93%
6
This includes trees, humans, and animals.
hydrosphere
geosphere
biosphere
atmosphere
7
The energy possessed by running water is responsible for the carving of hills and valleys into their existing shapes.
False
True
8
Estuary is an example of fresh water.
False
True
9
What goes in space A?
surface zone
twilight zone
trenches
dark zone
10
Salinity is a measure of ___ in water.
oxygen
sand
dissolved salts
carbon dioxide
11
Freshwater is denser than saltwater.
True
False
12
Brackish water has salinity that is between freshwater and saltwater.
False
True
13
This contains solid and semi-solid land.
hydrosphere
atmosphere
biosphere
geosphere
14
About what percentage of Earth’s water is saline?
1%
97%
25%
75%
15
Weathering is what causes pieces of rock and soil to move.
False
True
16
Which of the following is not saltwater?
Sea
River
Gulf
Ocean
17
Salinity refers to the amount of salt dissolved in a body of water.
True
False
18
Underground layer of rocks that stores water.
accumulation
aquifer
deposition
percolation
19
Which of the following is an example of inaccessible freshwater?
Reservoirs
Rivers
Lakes
Glaciers
20
Water continually cycles among land, ocean, and atmosphere via transpiration, evaporation, condensation, and deposition.
True
False
21
In which zone is ocean temperature most affected by the weather?
deep zone
transition zone
polar zone
surface zone
22
Which of the following is not an example of a freshwater source on Earth?
Glaciers
Groundwater
Ice caps
Oceans
23
Water can help in the formation of new rocks when sediments are piled up in a new area. What geological process is this?
weathering
deposition
transportation
erosion
24
Water’s unique combination of physical and chemical properties is central to Earth’s dynamics.
True
False
25
Which process involves the continuous movement of water in Earth?
carbon cycle
water cycle
nitrogen cycle
rock cycle
26
As you descend through the water column, ____.
density decreases
pressure decreases
light increases
temperature decreases
27
Energy from the sun causes water on the surface to evaporate into water vapor which is a gas.
False
True
28
What happens to water when the sun heat’s up the surface of the ocean?
Water turns to gas
Water falls back as rain
Water turns to clouds
Water turns to a solid
29
The movement of water through the soil itself
infiltration
sublimation
percolation
runoff
30
Water can cause rocks to break down. What geological process is involved in this scenario?
erosion
deposition
transportation
weathering
31
Which of the following is not involved in the water cycle?
condensation
deposition
precipitation
transpiration
32
Water that exists on the land surface
groundwater
surface water
aquifer
fog
33
Which of the following is the largest source of saltwater?
Bay
Sea
Gulf
Ocean
34
This contains all the planet’s living things.
biosphere
geosphere
atmosphere
hydrosphere
35
Most of Earth’s saltwater are locked in in ice caps and glaciers.
False
True
36
Top 500 m of water is saltier in warmer than polar water, it evaporates faster leaving the salt behind at the surface.
False
True
37
The average salinity of the ocean is
0.35 ppt
3.5 ppt
35 ppt
350 ppt
38
What drives the hydrologic cycle to happen?
The amount of ocean that covers the surface
Earth's revolution around the sun
Earth's tilt on its axis
Sun's radiant energy
39
Which process is responsible for the formation of clouds in the atmosphere?
transpiration
condensation
infiltration
evaporation
40
When water seeps into rock crevices and freezes, it contracts which causes the rock to break apart
True
False
41
What goes in space C?
abyss
twilight zone
trenches
dark zone
42
What goes in space B?
surface zone
dark zone
twilight zone
trenches
43
What goes in space D?
twilight zone
abyss
trenches
dark zone
44
When water stops moving, it loses its energy, and is no longer able to move sediment which results in deposition.
True
False
45
Which refers to the sum of all waters on Earth?
hydrosphere
biosphere
atmosphere
lithosphere
46
Which process enables plants to release water vapor into the air?
transpiration
percolation
precipitation
condensation
47
What goes in space E?
abyss
twilight zone
dark zone
trenches
48
Erosion describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.
True
False
49
Gravity causes precipitation to fall from clouds and water to flow downward on the land through watersheds.
True
False
50
Crust, mantle, and core are its components.
atmosphere
hydrosphere
geosphere
biosphere
