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