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Earth Science Ch 15 & 16: Earth's Oceans & Marine Environment Flashcards | StudBud
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Earth Science Ch 15 & 16: Earth's Oceans & Marine Environment
Earth Science Ch 15 & 16: Earth's Oceans & Marine Environment
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#oceans #marineenvironment #earthscience #science #marine
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1
What unit is commonly used to measure the salt content of water?
parts per liter
grams per liter
parts per thousand
kilograms per cubic liter
2
In Earth's early history, water vapor in the atmosphere condensed into the
oceans.
continents.
crust.
mountains.
3
Depositional coastal landforms are
made up of bones and shell of once living organisms
temporary and unstable.
made of sedimentary rock.
solid and stable.
4
What is the term used for the scientific study of Earth's oceans?
meteorology
geography
scientology
oceanography
5
Transitional layer of the ocean characterized by rapidly decreasing temperatures with depth
bottom layer
thermocline
upwelling
surface layer
6
Forces exerted by the Sun & the Moon that generate tidal bulges
spring tide
tide
neap tide
gravitational & centrifugal forces
7
Oceans on Earth have existed for
almost 4.6 billion years.
4.6 million years.
half as long as Earth has existed.
46 billion years.
8
What is the highest point of a wave called?
wave tip
trough
breaker
crest
9
Level of the ocean's surface
sea level
tidal range
fetch
temperature profile
10
Oceans have distinct layers of water masses that are characterized by
temperature & salinity.
salinity & nutrient composition.
location & depth.
temperature & nutrient composition.
11
Current caused by wind
deep-ocean currents
surface currents
upwellings
density currents
12
About what percentage of seawater is dissolved salts?
9.65%
96.5%
3.5%
35%
13
Type of tide that occurs when the Sun, the Moon, & Earth form a right angle
tidal range
neap tide
spring tide
tide
14
What is salinity?
another name for salt
the amount of dissolved gases in seawater
the amount of water in the oceans
the amount of dissolved salts in seawater
15
The first ship to use sophisticated measuring devices to study the ocean was named
Titantic.
My Girl.
Challenger.
Alvin.
16
Current caused by differences in the temperature & salinity of ocean water
tidal current
surface current
wave current
density current
17
Closed, circular current systems
breakers
seamounts
upwellings
gyres
18
A device that uses echoes to map features of the ocean floor is called a(n)
radar.
OSTM/Jason-2.
satellite.
sonar.
19
The periodic rise and fall of sea level
spring tide
gravitational & centrifugal forces
neap tide
tide
20
Rhythmic movement that carries energy through matter
wave
thermocline
turbidity current
breaker
21
Determines the speed at which waves move through water
wave height
tidal range
wave length
density current
22
Collapsing waves
breakers
tides
crests
upwellings
23
What is the name of the deepest place on the sea floor?
the Mariana Trench
the Abyssal Plain
the Polynesian Trench
the Submarine Canyon
24
A measure of the amount of dissolved salts in seawater
salinity
manganese
sea level
thermocline
25
What is the lowest point of a wave called?
wave bend
crest
breaker
trough
26
Type of tide with the highest high tides & lowest low tides
tidal range
tide
neap tide
spring tide
