Final Exam (Old) Flashcards
The deepest parts of the oceans are:
a) in the middle
b) nearest convergent (colliding) plate boundaries
c) nearest divergent boundaries (pulling apart) plate boundaries
d) all of the above
e) none of the above
b) nearest convergent (colliding) plate boundaries
Hotspots form:
a) deep in the earth, at the core/mantle boundary
b) as plumes of magma that reach the earths surface to form volcanoes
c) volcanic island chains, such as the Hawaiian Islands
d) all of the above
e) b and c only
d) all of the above
Hydrothermal vents form:
a) in the abyssal plain
b) in the spreading centers (rifts) of mid-ocean ridges
c) in the continental rise
d) in ocean trenches
e) on continental shelves
b) in the spreading centers (rifts) of mid-ocean ridges
The identification of lithospheric plate motion came from:
a) making detailed maps of the ocean floor
b) magnetic records in ocean floor basalt
c) ace dating the ocean floor basalt on either side of mid-ocean ridges
d) all of the above
e) none of the above
d) all of the above
In the liquid water, ice, and vapor graph, the vertical (y) axis represents:
a) temperature
b) pressure
c) number of molecules
d) salinity
e) none of the above
b) pressure
In the liquid water, ice, and vapor graph, the horizontal (x) axis represents:
a) temperature
b) pressure
c) number of molecules
d) salinity
e) none of the above
a) temperature
Earth is located where on the temperature and pressure graph
a) bottom left
b) top right
c) middle
d) bottom right
e) top left
c) middle
Venus is located where on the temperature and pressure graph
a) bottom left
b) top right
c) middle
d) bottom right
e) top left
b) top right
Mars is located where on the temperature and pressure graph
a) bottom left
b) top right
c) middle
d) bottom right
e) top left
a) bottom left
In a velocity and molecule graph, what does the vertical (y) axis represent:
a) temperature
b) pressure
c) number of molecules
d) velocity
e) none of the above
c) number of molecules
In a velocity and molecule graph, what does the horizontal (x) axis represent:
a) temperature
b) pressure
c) number of molecules
d) velocity
e) none of the above
d) velocity
Refer to a molecule and velocity graph, the diagram explains the absence of a thick atmosphere on Mars by:
a) showing that Mars is travelling at 4 miles per second
b) showing that some Hydrogen and Oxygen travels faster than Mars’ escape velocity
c) showing that Mars is much to hot to hold a thick atmosphere
d) showing that Mars is much too cold to hold a thick atmosphere
e) none of the above
b) showing that some Hydrogen and Oxygen travels faster than Mars’ escape velocity
Who was the first to explore a half mile below sea surface in the Bathysphere in 1934?
William Beebe
What was the first submarine designed to reach the bottom of the Marianas Trench, in 1960?
Trieste
What was the first ocean voyage devoted purely to oceanography in 1872?
H.M.S. Challenger
Who was the first to present scientific evidence that continents move, published in 1920’s?
Alfred Wegener
What was the first detailed mapping of the mid-ocean ridge in the Atlantic Ocean in 1920’s?
Meteor
Where is the ocean floor being made?
In the Atlantic ocean
Where is the ocean floor being destroyed and recycled?
In the Pacific ocean by Japan and above Australia
What are the deepest parts of the ocean?
trenches
What are the submerged edges of continents?
Continental Shelf
What is sediment made of remains of micro-organisms?
ooze
What is an example of a divergent (pulling apart) plate boundary?
Mid-Atlantic Ridge
What is a more general term for hydrothermal vents on mid-ocean ridges?
black smokers