Exam 1: Oct. 3, 2002

Exam 1 – CHEM 1103 – Oceanography

1)Oceanography is customarily divided into categories, which are:

a)Computational, experimental, field, theoretical

b)Tectonics, water characteristics, organisms, currents

c)Physical, geological, chemical, biological

d)Near surface, midwater, deep water, abyssal depths

2)Darwin was ship’s naturalist on board the:

a)HMS Beagle

b)HMS Challenger

c)Fram

d)HMS Adventure

e)HMS Endeavour

3)Put the following three stages of oceanography into historical order: scientific method, navigation, descriptive.

a)Oldest/First Method ______

b)Second Method ______

c)Latest Method ______

4)Nansen made an important contribution to oceanography with his study of the ______Ocean.

a)North Atlantic

b)Pacific

c)Indian

d)Arctic

e)Antarctic

5)1,000,000 in scientific notation equals ______.

6)Density is defined as the amount of ______per unit volume.

7) In the scientific method, ______are tested. If it fails the test, it is discarded. If it passes, it is tested further.

8)The earth’s core contains high concentrations of:

a)Lead and silver

b)Aluminum and nickel

c)Iron and nickel

d)Silicon and lead

e)Iron and copper

9) The boundary between the crust and the upper mantle is called the ______.

10) (3 pts) The ocean basins can be subdivided into three broad, physiographic provinces: the ______, ______, and the ______.

11) When the Earth was a molten mass, its elements and compounds separated from each other according to their ______.

a)Atomic number

b)Density

c)Magnetism

d)Radioactivity

e)Specific Heat

12)The asthenosphere is a portion of the:

a)Crust

b)Mantle

c)Outer core

d)Inner core

13)Which of the following is not characteristic of the deep sea basins?

a)Canyons

b)Plains

c)Hills

d)Seamounts

e)Guyots

14)Which of the following are associated with active volcanoes and strong earthquakes?

a)Abyssal plains

b)Abyssal hills

c)Guyots

d)Seamounts

e)Deep-sea trenches

15)Pressure is a ______per unit area (kg m-1 s-2).

16) (3 pts) Pressure is P = ______

where ______is ______

______is ______

and ______is ______

17)The circulation of winds in both hemispheres is arranged in the ______cells.

a)Polar, Tropical, and Subtropical

b)Southwesterly, Northwesterly, and Southeasterly

c)Hadley, Ferrel, and Polar

d)Equatorial, Polar, and Latitudinal

18)Currents are named for the direction:

a)in which they are going

b)from which they are coming.

19)Winds are named for the direction:

a)in which they are going

b)from which they are coming.

20)Antarctic Bottom Water (AABW) is produced mainly at the surface of the ______Seas.

a)East and West China

b)North and Bering

c)Weddell and Ross

d)Baltic and North

21)Surface ocean circulation is driven by ______.

22)Deep ocean circulation is driven by ______.

23)There are ______km (kilometers) in a m (meter).

24)The large circles of surface currents in the ocean are termed ______.

a)loops

b)gyres

c)seiches

d)sinks

e)gradients

25)Standard atmospheric pressure is equivalent to ______(a number) atmosphere(s).

26)The net flow of water to the right of the wind in the Northern Hemisphere is termed:

a)upwelling

b)downwelling

c)Ekman transport

d)Langmuir circulation

e)Franklin gyre

27)A pressure gradient is:

a)the change in pressure vertically in the atmosphere

b)the change in pressure across a horizontal distance

c)a chart of the air pressures of a region over a long period of time

d)a method of grading the changes in pressure for accuracy

28)The net transport of water in an Ekman spiral in the Northern hemisphere is ______to the right of the wind direction.

a)45o

b)15o

c)90o

d)135o

e)180o

29)North Atlantic Deep Water originates near:

a)the Falkland Islands

b)the Canary Islands

c)Greenland

d)Hudson Bay

e)The Aleutian Islands

30)The analogy between global scale oceanic circulation and an immense conveyor belt is:

a)entirely theoretical

b)strongly supported by theoretical analysis and direct observation

c)compatible with general observation, but highly simplified

d)the only possible explanation for oceanic circulation

31)Water flowing out of the Mediterranean Sea into the Atlantic is:

a)fresh and cool

b)salty and cool

c)fresh and warm

d)salty and warm

32)The Coriolis force is dependent on

a)latitude

b)longitude

c)depth

d)altitude

33)Atoms that are chemically bonded to one another comprise a ______.

34)The isotopes of an element contain a variable number of ______.

35) Before ice can melt, or water can vaporize, energy is required to break the ______bonds between the water molecules.

36) Oceans in ______latitudes often develop a seasonal thermocline.

37)The highest values for sea surface salinity occur in ______regions.

38) (2pts) The dominant elements dissolved in sea water are ______and ______.

39)The central portion of an atom is the ______.

40)A charged atom is called an ______.

41)A negatively charged particle is called an ______.

42) The total dissolved material in seawater is termed: ______.

43)Zones of rapid temperature change with depth are called ______.

44) (True or False) Dissolved oxygen concentration is highest below the pycnocline.

45)(True or False) Gases dissolve more in warmer water.

46)(True or False) Warmer water is more dense than colder water.

47) (True or False) The photic zone is the region without light.

48) (True or False) Thermohaline circulation is driven by density differences associated with changes in the temperature and salinity of water.

49)(5 pts) Name the five oceans:

50)(2 pts) Name two of the unique properties of water:

1)

2)

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