Question 1

________ provides the largest tide-generating force.

Accepted Answer

A) The Sun 
B) The Moon 
C) Earth 
D) The ocean 
A) The Sun 
B) The Moon 
C) Earth 
D) The ocean

Question 2

Where do the deep ocean currents rise to the surface?

Accepted Answer

A) the equator 
B) the North Pole 
C) the tropics 
D) the South Pole 
A) the equator 
B) the North Pole 
C) the tropics 
D) the South Pole

Question 3

You are running a sonar survey to map the bathymetry of an ocean basin.Using the following continuous sonar data giving the depth of the seafloor,what feature have you just discovered?
$\begin{array}{c}
\begin{array}{|c|}
 \hline \text {Depth}\
 \text {Reading}\
 \text {Number}\
\hline 1 \
\hline 2 \
\hline 3 \
\hline 4 \
\hline 5 \
\hline 6 \
\hline 7 \
\hline 8 \
\hline 9 \
\hline 10 \
\hline 11 \
\hline 12 \
\hline 13 \
\hline 14 \
\hline 15 \
\hline 16 \
\hline 17 \
\hline 18 \
\hline 19 \
\hline 20 \
\hline
\end{array}
\begin{array}{c|}
\hline\
\text { Depth (m) }\
\
\hline 3131 \
\hline 3101 \
\hline 3071 \
\hline 3011 \
\hline 2891 \
\hline 2846 \
\hline 2756 \
\hline 2577 \
\hline 2532 \
\hline 2487 \
\hline 2502 \
\hline 2577 \
\hline 2756 \
\hline 2921 \
\hline 3041 \
\hline 3026 \
\hline 2936 \
\hline 2756 \
\hline 2577 \
\hline 2487 \
\hline 
\end{array}
\end{array}$

Accepted Answer

A) an abyssal plain 
B) a deep trench 
C) a mid-ocean ridge 
D) a continental shelf 
A) an abyssal plain 
B) a deep trench 
C) a mid-ocean ridge 
D) a continental shelf

Question 4

What would happen to the tides if the Sun and Moon are aligned?

Accepted Answer

A) There would be no tides at all. 
B) There would be no low tides on Earth. 
C) High tide would be much larger. 
D) There would be only low tides on Earth. 
A) There would be no tides at all. 
B) There would be no low tides on Earth. 
C) High tide would be much larger. 
D) There would be only low tides on Earth.

Question 5

Describe what longshore drift is and how it works.

Accepted Answer

Longshore drift is the movement of sedim

Question 6

Along beaches,groins have ________.

Accepted Answer

A) solved the problem of beach drift 
B) increased erosion rates immediately up current from the groin 
C) increased erosion rates immediately down current from the groin 
D) increased depositional rates immediately down current from the groin 
A) solved the problem of beach drift 
B) increased erosion rates immediately up current from the groin 
C) increased erosion rates immediately down current from the groin 
D) increased depositional rates immediately down current from the groin

Question 7

Sea level is currently rising at 3.3 mm/yr,and scientists predict that global warming could cause a rise in sea level of 7 if left unabated.How long will it take the sea to rise 7 m at the current rate?

Accepted Answer

A) 2,121 years 
B) 0.0004 year 
C) 2.121 years 
D) 0.47 year 
A) 2,121 years 
B) 0.0004 year 
C) 2.121 years 
D) 0.47 year

Question 8

High tide will be ________ when the Sun and Moon are aligned parallel to each other as opposed to normally (when they are not aligned parallel to each other).

Accepted Answer

A) the same 
B) lower 
C) higher 
D) reversed 
A) the same 
B) lower 
C) higher 
D) reversed

Question 9

Many rocky coasts occur along active margins;why is this?

Accepted Answer

A) Active margins are associated with larger storms,which causes more erosion of sediment,leading to fewer beaches. 
B) Active margins are associated with volcanic activity,and volcanic rocks are very hard to erode;thus,there is not enough sediment produced. 
C) Active margins often experience repeated uplift,and thus the waves have not had sufficient time to erode the land surface down to sea level. 
D) Active margins tend to have far fewer streams that feed sediment to the oceans;thus,there is not enough sand to create beaches. 
A) Active margins are associated with larger storms,which causes more erosion of sediment,leading to fewer beaches. 
B) Active margins are associated with volcanic activity,and volcanic rocks are very hard to erode;thus,there is not enough sediment produced. 
C) Active margins often experience repeated uplift,and thus the waves have not had sufficient time to erode the land surface down to sea level. 
D) Active margins tend to have far fewer streams that feed sediment to the oceans;thus,there is not enough sand to create beaches.

Question 10

How would the Coriolis effect affect the space station?

Accepted Answer

A) The space station would curve to the right because it is above the Northern Hemisphere. 
B) The space station would curve to the left because it is above the Southern Hemisphere. 
C) The space station would not curve because it is above the equator and not affected. 
D) The space station would not be affected because it is not in Earth's atmosphere. 
A) The space station would curve to the right because it is above the Northern Hemisphere. 
B) The space station would curve to the left because it is above the Southern Hemisphere. 
C) The space station would not curve because it is above the equator and not affected. 
D) The space station would not be affected because it is not in Earth's atmosphere.

Question 11

According to this map,where are you most likely to find upwelling currents?

Accepted Answer

A) the North Pole 
B) the equator 
C) the tropics 
D) the South Pole 
A) the North Pole 
B) the equator 
C) the tropics 
D) the South Pole

Question 12

The sea surface salinity is ________ at the mouth of the Amazon River and ________ in the Great Salt Lake,Utah.

Accepted Answer

A) low;low 
B) high;low 
C) low;high 
D) high;high 
A) low;low 
B) high;low 
C) low;high 
D) high;high

Question 13

What will eventually happen to the headlands in the figure below?

Accepted Answer

A) They will join as the bays in between fill with sediment. 
B) They will become a straight line of cliffs as rock is eroded away. 
C) They will remain as they are for millions of years. 
D) The sea will submerge them as the terrace is uplifted. 
A) They will join as the bays in between fill with sediment. 
B) They will become a straight line of cliffs as rock is eroded away. 
C) They will remain as they are for millions of years. 
D) The sea will submerge them as the terrace is uplifted.

Question 14

When sea level rises and floods a glacially carved valley,the area is called a(n)________.

Accepted Answer

A) fjord 
B) wetland 
C) estuary 
D) reef 
A) fjord 
B) wetland 
C) estuary 
D) reef

Question 15

Compared with the continental crust,the oceanic crust is ________.

Accepted Answer

A) denser 
B) less dense 
C) about the same density 
D) about half as dense 
A) denser 
B) less dense 
C) about the same density 
D) about half as dense

Question 16

Because of wave refraction,erosion along an irregular coastline is ________.

Accepted Answer

A) even along the length of the coast 
B) greatest along headlands 
C) greatest in bays 
D) the same as it would be along a regular coastline 
A) even along the length of the coast 
B) greatest along headlands 
C) greatest in bays 
D) the same as it would be along a regular coastline

Question 17

Which of the following would be an area of the ocean with the LEAST dense water?

Accepted Answer

A) the mouth of the Amazon River 
B) off the coast of Africa 
C) the middle of the Pacific Ocean 
D) off the coast of Madagascar 
A) the mouth of the Amazon River 
B) off the coast of Africa 
C) the middle of the Pacific Ocean 
D) off the coast of Madagascar

Question 18

Describe what thermohaline circulation is and how it works.

Accepted Answer

Thermohaline circulation is the vertical

Question 19

Using the figure below,which of the following lists correctly identifies the various seafloor landforms?

Accepted Answer

A) A = continental shelf,B = abyssal plain,C = mid-ocean ridge,D = trench 
B) A = abyssal plain,B = continental shelf,C = mid-ocean ridge,D = trench 
C) A = continental slope,B = mid-ocean ridge,C = trench,D = volcanic arc 
D) A = continental shelf,B = abyssal plain,C = trench,D = mid-ocean ridge 
A) A = continental shelf,B = abyssal plain,C = mid-ocean ridge,D = trench 
B) A = abyssal plain,B = continental shelf,C = mid-ocean ridge,D = trench 
C) A = continental slope,B = mid-ocean ridge,C = trench,D = volcanic arc 
D) A = continental shelf,B = abyssal plain,C = trench,D = mid-ocean ridge

Question 20

Waves are created by ________.

Accepted Answer

A) tides 
B) the Moon 
C) the crust 
D) wind 
A) tides 
B) the Moon 
C) the crust 
D) wind

Exam 15: Restless Realm: Oceans and Coasts

________ provides the largest tide-generating force.

Where do the deep ocean currents rise to the surface?

What would happen to the tides if the Sun and Moon are aligned?

Describe what longshore drift is and how it works.

Along beaches,groins have ________.

Sea level is currently rising at 3.3 mm/yr,and scientists predict that global warming could cause a rise in sea level of 7 if left unabated.How long will it take the sea to rise 7 m at the current rate?

High tide will be ________ when the Sun and Moon are aligned parallel to each other as opposed to normally (when they are not aligned parallel to each other).

Many rocky coasts occur along active margins;why is this?

How would the Coriolis effect affect the space station?

According to this map,where are you most likely to find upwelling currents?

The sea surface salinity is ________ at the mouth of the Amazon River and ________ in the Great Salt Lake,Utah.

What will eventually happen to the headlands in the figure below?

When sea level rises and floods a glacially carved valley,the area is called a(n)________.

Compared with the continental crust,the oceanic crust is ________.

Because of wave refraction,erosion along an irregular coastline is ________.

Which of the following would be an area of the ocean with the LEAST dense water?

Describe what thermohaline circulation is and how it works.

Using the figure below,which of the following lists correctly identifies the various seafloor landforms?

Waves are created by ________.

The Earth in Context

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

The Wrath of Vulcan: Volcanic Eruptions

Pages of Earth S Past: Sedimentary Rocks

Metamorphism: A Process of Change

A Violent Pulse: Earthquakes

Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Riches in Rock: Energy and Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

A Hidden Reserve: Groundwater

Dry Regions: The Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Interlude A: Rock Groups

Interlude B: A Surface Veneer: Sediments and Soils

Interlude C: The Rock Cycle

Interlude D: The Earth S Interior Revisited: Insights From Geophysics

Interlude E: Memories of Past Life: Fossils and Evolution

Interlude F: An Introduction to Landscapes and the Hydrologic Cycle

Filters

The sea surface salinity is at the mouth of the Amazon River and in the Great Salt Lake,Utah.