earth science V

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Question 1

1. Where is the continental rise?

		At the top of a mid-ocean ridge
		At the top of the continental slope
		Between an abyssal plain and continental slope
		At the seaward edge of a deep ocean trench

2 points

Question 2

1. The energy that drives surface ocean currents such as the Gulf Stream comes from __________.

		the Coriolis effect
		salinity variations
		temperature differences
		prevailing wind patterns

2 points

Question 3

1. What kind of seawater is densest?

		Warm, low salinity
		Warm, high salinity
		Cold, low salinity
		Cold, high salinity

2 points

Question 4

1. The daily tidal range is of the least magnitude during __________.

		the daytime
		spring tides
		neap tides
		slack water

2 points

Question 5

1. One result of wave refraction is that wave energy is concentrated __________.

		on headlands projecting into the water
		on tombolos
		in bays, coves, and other recessed areas between headlands
		on spits

2 points

Question 6

1. Match the term with the definition.

A.	Sediment from the shells or skeletal material of living organisms.
B.	Sediment derived from the weathering of rock, mainly on the continents.
C.	A layer of raid density change.
D.	A layer of rapid temperature change.
E.	The measure of the amount of dissolved salts in a given volume of water.
F.	Sediment derived from dissolved salts in seawater.
G.	The multi-disciplinary science that studies the oceans.
H.	The oceanic equivalent of topography; the three dimensional "shape" of the seafloor.

Match the term with the definition.

	Oceanography
	Salinity
	Thermocline
	Pycnocline
	Bathymetry
	Terrigenous
	Hydrogenous
	Biogenous

1. Question 7

2. Examine the figure. Match each of the lettered locations with the name of the shoreline feature shown there.

	A.
	B.
	C.
	D.

a.	Spit
b.	Baymouth bar
c.	Sea stack
d.	Tombolo

4 points

Question 8

1. Examine the chart below. At what latitudes do we find the maximum salinity? Briefly explain what contributes to high salinities here versus polar and equatorial regions.

Path: p

Words:0

10 points

Question 9

1. When you are at the beach, you notice that the waves seem to "break" at the same point as they come towards shore. Explain what is happening beneath the surface to cause the waves to break at this point.

10 points

Question 10

1. The best place to look for crabs is between the high tide and low tide zones (the tidal flat). Knowing this, would you expect to find more crabs during a full moon/new moon or during a quarter moon stage? Explain why.

10 points

Question 11

1. How would the melting of ice sheets in Greenland affect the deep-ocean circulation in the North Atlantic? How might this affect the climate of Northern Europe? Your response should be at least 150 words in length.