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Oceanography Midterm Review Flashcards | StudBud
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Oceanography Midterm Review
Oceanography Midterm Review
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#midterm #oceanography #historyofoceans #currents #waves #tides #sound #light
Flashcards
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Answers
1
The Ring of Fire is located in the
Indian
Arctic
Atlantic
Pacific
2
Father of Oceanography
Jacques Cousteau
Henry Hess
Captain James Cook
Matthew Maury
3
Buffers help stabilize pH
True
False
4
Lowest low tides happen when
Quarter Moon
New Moon
Full Moon
Spring Tides
5
Surface waters pushed away from from the land & brings up nutrients from the bottom
upwelling
downwelling
convergence
6
The photic zone gets the most
Sound
Salts
Light
Temperature
7
These sediments come from continents by rivers
Lithogenous
Cosmogenous
Biogenous
Hydrogenous
8
What drives crustal plate movement?
Convention cells in upper mantle
Pull of the sun & the moon
Magnetism
Deep water currents
9
Deep ocean water has high amount of
Both
Oxygen
Neither
Nutrients
10
Which is the outer most solid layer of earth?
Asthenosphere
Mantle
Outer Core
Lithosphere
11
pH of salt water
4
5
8
7
12
Winds move across the US
W to E
E to W
N to S
S to N
13
Scale used to measure hurricanes?
Saffir-Simpson
Richter
Coriolis
14
Oceanic crust is primarily made of
Granite
Carbonate sedimentary rocks
Clay minerals
Basalt
15
What factors govern global air circulation?
oxygen & nitrogen in the air
uneven solar heating & Coriolis effect
wave & tide currents
humidity & water vapor
16
Zone between 30 & 60 latitudes
horse latitudes
trade winds
polar easterlies
westerlies
17
Warm water is more dense than cold water
True
False
18
Which color penetrates the deepest into the ocean?
Yellow
Green
Blue
Red
19
Which ISN'T true about hurricanes?
Occur only in the Atlantic
They are fueled by warm, moist air
They decrease in intensity over land
They are fueled by warm waters
20
Earth's water likely originated from volcanic activity & ice from space
True
False
21
Why has most of Earth's fossil history been lost?
Influction
Reduction
Conduction
Subduction
22
High High Tide - Low Low Tide = ?
Tidal Range
Tidal Height
Tidal Bore
Mean Sea Level
23
These currents are warm, narrow, & fast
Western basin
Eastern basin
24
Sediments produced by plants & animals
Lithogenous
Hydrogenous
Cosmogenous
Biogenous
25
Collisional boundaries that result in subduction are
Divergent boundaries
Mid-ocean ridges
Convergent boundaries
Transform boundaries
26
Which was the 1st voyage just to collect ocean data?
Fram
Meteor
Challenger
Trieste
27
Which ion is found in the greatest percentage in the ocean?
Sodium
Chlorine
Calcium
Sulfate
28
What is the tail of the horseshoe crab called?
Abdomen
Telson
Barnacle
Swimmeretts
29
Gravity & centrifugal force (rotation of the earth) cause tides
False
True
30
Water is a polar covalent molecule
False
True
31
Sound travels _______ times faster in water than in air
4
2
8
5
32
How fast do lithospheric plates move?
3 km/hour
3 cm/hour
3 km/month
3 cm/year
33
What structure to dolphins use to send out echolocation messages?
Lower Jaw
Vocal Cords
Melon
Lateral Line
34
Mid-ocean ridges are described as
Divergent boundaries
Transform boundaries
Convergent boundaries
Subduction zones
35
Chronometers were created to
Determine true north at sea
Map the sea floor
Keep time at sea
Map lines of longitude and latitude
36
Hydrothermal vents were first discovered by Bob Ballard in
1997
1977
1979
1999
37
Coastal areas have a higher salinity than open oceans
False
True
38
Where is new crust formed?
Seamounts
Ocean ridges
Continental ridges
Trenches
39
Surface currents are driven through
Coriolis
wind
gravity
water density
40
The youngest seafloor rocks are found
Near the rift valleys of mid-ocean ridges
Beneath deep sea trenches
Evenly distributed over ocean basins
Near the continents
41
Why study sediments?
they tell us about plate motions
they tell us the ocean's past conditions
they have economic importance
they tell us Earth's past climate
42
Which plate moves the fastest?
South American
North American
Pacific
Juan de Fuca
43
What holiday is associated with El Nino?
Halloween
Easter
Christmas
O'mara's Birthday!
44
He first proposed the idea of continental drift - people thought he was an idiot
Harry Hess
John Tuzo Wilson
Alfred Wegener
Benjamin Franklin
45
Sound in the SOFAR channel travels for ________ distances.
Short
Long
46
Waves break when
Winds are strong
Depth is equal to wavelength
Depth is less than half wavelength
Depth is twice wavelength
