Free Printable OCN: MID-TERM Exam

Free Printable Worksheets

Worksheets

OCN: MID-TERM Exam

Total questions: 100

Worksheet time: 2hrs 31mins

Name

Class

Date

1.

Who were the first sailors to reach and settle in Iceland, Greenland, and North America?

a)

Vikings

b)

Phoenecians

c)

Polynesians

d)

Greeks

2.

The captain of the first voyages made purely for the scientific study of the oceans was

a)

Cook

b)

Harrison

c)

Behaim

d)

Toricelli

3.

Polynesians:

a)

sailed in the Mediterranean

b)

sailed in the North Atlantic

c)

Were the earliest known open ocean seafarers

d)

were the first to circumnavigate the world

4.

A parallel is another name for a ______ _______. The 0^ois called the _____.

a)

a latitude line, the equator

b)

a longitudinal line, the prime meridian

c)

a latitudinal line, the prime meridian

5.

A meridian is another name ____. the The 0^omeridian runs through_______________.

a)

a latitude line, the equator

b)

a longitude line, Greenwich England

c)

a longitude line, the widest part of the earth

6.

Published the Physical Geography of the Sea , called the "Father of Oceanography"

a)

Charkes Wilkes

b)

Matt Maury

c)

Ben Franklin

7.

This explorer was also the inventor of the chronometer that allowed navigators to know exactly where they were

a)

Captain James Cook

b)

Ferdinand Magellan

c)

Charles Darwin

d)

John Harrison

8.

Who was the first explorer to sail around the world?

a)

James Cook

b)

Christopher Columbus

c)

Ferdinand Magellan

d)

Vasco de Gama

9.

What important contributions did the Challenger expedition NOT make to oceanography?

a)

discovered deep-water organisms

b)

discovered 5,000 new species

c)

took the first soundings below 4,000 m

d)

discovered Greenland

10.

The largest ocean on Earth is the....

a)

Pacific

b)

Arctic

c)

Atlantic

d)

Antarctic

11.

The submersible that discovered the wreckage of the Titanic was called

a)

The Trieste

b)

HMS Beagle

c)

Alvin

d)

The JOIDES Resolution

12.

A person who studies and observes wave dynamics, currents, and ocean-atmosphere interactions is called

a)

Marine Engineer

b)

Marine Biologist

c)

Physical Oceanographer

d)

Marine Geologist

13.

How did the Polynesians navigate their voyages on the ocean?

a)

Using a compass

b)

Using song and dance

c)

Using celestial navigation

d)

Using cartography

14.

Biological Oceanography is the study of....

a)

marine life and their ecosystems.

b)

the composition of seawater, including the amount of salt dissolved.

c)

plate tectonics, underwater volcanoes and mountains.

d)

ocean currents and motions of the ocean.

15.

Geological Oceanography is the study of....

a)

marine life and their ecosystems.

b)

the composition of seawater, including the amount of salt dissolved.

c)

plate tectonics, underwater volcanoes and mountains.

d)

ocean currents and motions of the ocean.

16.

Enviornmental Oceanography is the study of....

a)

marine pollution and human effects on the ocean.

b)

instruments and technology used to explore the ocean.

c)

plate tectonics, underwater volcanoes and mountains.

d)

ocean currents and motions of the ocean.

17.

Ocean Engineering is the study of....

a)

marine pollution and human effects on the ocean.

b)

instruments and technology used to explore the ocean.

c)

plate tectonics, underwater volcanoes and mountains.

d)

ocean currents and motions of the ocean.

18.

Chemical Oceanography is the study of....

a)

marine life and their ecosystems.

b)

the composition of seawater, including the amount of salt dissolved.

c)

plate tectonics, underwater volcanoes and mountains.

d)

ocean currents and motions of the ocean.

19.

Which ocean is between North America and Europe?

a)

Pacific Ocean

b)

Atlantic Ocean

c)

Indian Ocean

d)

Southern Ocean

20.

Oceans cover about ______ of the surface of the earth.

a)

60%

b)

70%

c)

80%

d)

90%

21.

The following are the oceans according to size

a)

Pacific, Atlantic, Indian, Arctic, Antarctic

b)

Pacific, Indian, Atlantic, Arctic, Antarctic

c)

Atlantic, Pacific, Indian, Antarctic, Arctic

d)

Pacific, Atlantic, Indian, Antarctic, Arctic

22.

Smaller bodies of salt water are called

a)

seas

b)

lakes

c)

oceans

d)

rivers

23.

What is the correct order (starting from the surface) of Earth’s layers?

a)

crust, outer core, inner core, mantle

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

d)

outer core, inner core, crust, mantle

24.

In sea-floor spreading, molten material rises from the mantle and erupts

a)

along the edges of all the continents.

b)

along mid-ocean ridges.

c)

in deep-ocean trenches.

d)

at the north and south poles.

25.

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as _______

a)

convection.

b)

continental drift.

c)

subduction.

d)

conduction.

26.

Most geologists think that the movement of Earth’s plates is caused by _______

a)

convection.

b)

continental drift.

c)

subduction.

d)

conduction.

27.

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

a)

subduction

b)

plate tectonics

c)

deep-ocean trenches

d)

sea-floor spreading

28.

Scientists think that convection currents flow in Earth’s

a)

continents.

b)

mantle.

c)

lithosphere.

d)

inner core.

29.

The place where two plates come together is known as a _______

a)

transform boundary.

b)

divergent boundary.

c)

convergent boundary.

d)

rift valley.

30.

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

a)

Converging

b)

Diverging

c)

Sliding

d)

No movement

31.

The San Andreas Fault in California is known as an active earthquake area. What type of

boundary is it?

a)

Converging

b)

Diverging

c)

Transform

d)

Sea Floor Spreading

32.

Where would the oldest rock be found?

a)

L

b)

M

c)

N

d)

O

33.

What are the two types of crust

a)

continental and oceanic

b)

ocean and upper

c)

lower and upper

d)

pizza and subway

34.

The Himalayas in Asia are an example of what type of plate boundary?

a)

divergent

b)

continent-to-continent convergent

c)

ocean-to-continent convergent

d)

transform

35.

What is Pangaea?

a)

the name of a German scientist

b)

the name of the super-continent that existed millions of years ago

c)

another name for continental drift

d)

the name of an ancient fossil

36.

Mountains form from ...

a)

plates sliding past one another

b)

collision of plates

c)

plates moving away from each other

37.

How many different marine sediment types do we distinguish?

a)

2

b)

3

c)

4

d)

5

38.

What process creates lithogenous sediments?

a)

Precipitation from seawater

b)

Weathering and erosion

c)

Dissolution of carbonate shells

d)

Evaporation

39.

What process creates lithogenous sediments?

a)

Precipitation from seawater

b)

Weathering and erosion

c)

Dissolution of carbonate shells

d)

Evaporation

40.

Pelagic deposits form

a)

in deep ocean basins.

b)

on the continental shelf.

c)

on the continental slope.

d)

in warm shallow water.

41.

Beach deposits are an example of

a)

hydrogenous sediment.

b)

cosmogenous sediment.

c)

biogenous sediment.

d)

lithogenous sediment.

42.

Which of the following organisms produce calcium carbonate shells (tests)?

a)

Coccolithophores and radiolarians

b)

Radiolarians and diatoms

c)

Coccolithophores and foraminifers

d)

Foraminiers and diatoms

43.

Evaporites are examples of

a)

lithogenous sediments.

b)

hydrogenous sediments.

c)

biogenous sediments.

d)

cosmogenous sediments.

44.

Manganese nodules belong to

a)

lithogenous sediments.

b)

biogenous sediments.

c)

hydrogenous sediments.

d)

cosmologeous sediments.

45.

Where does sedimentation (depositing of sediment) occur most often?

a)

Closer to continents

b)

Near Seamounts

c)

In the deep ocean

d)

None of the above

46.

Avalanches of turbid water (water carrying sediment) are called?

a)

Thermohaline currents

b)

Waves

c)

Turbidity currents

d)

Longshore Currents

47.

What is sonar

a)

Ice Cream

b)

Sound navigating and ranging

c)

Korean Pop

d)

Cellphones measuring distance

48.

What is letter C?

a)

Mid-Ocean Ridge

b)

Cont. Shelf

c)

Cont. Slope

d)

Abyssal Plain

49.

What is letter D?

a)

Cont. Shelf

b)

Mid-Ocean Ridge

c)

Volcanic Island

d)

Seamount

50.

What is letter E?

a)

Volcanic Island

b)

Seamount

c)

Mid-Ocean Ridge

d)

Abyssal Plain

51.

What is letter A?

a)

Cont. Shelf

b)

Cont. Slope

c)

Abyssal Plain

d)

Abyssal Plain

52.

What is letter G?

a)

Mid-Ocean Ridge

b)

Rift

c)

Trench

d)

Cont. Shelf

53.

What letter is B?

a)

Cont. Shelf

b)

Cont. Slope

c)

Cont. Rise

d)

Abyssal Plain

54.

What is letter F?

a)

Cont. Shelf

b)

Cont. Slope

c)

Abyssal Plain

d)

Mid-Ocean Ridge

55.

Seamount is similiar to...

a)

a volcanic island

b)

a small mountain or volcano

c)

The Great Plains

d)

The Grand Canyon

56.

Which feature includes the deepest parts of the ocean

a)

deep sea trench

b)

contintental margin

c)

atoll

d)

rift valley

57.

A characteristic of hydrothermal vents is that

a)

there isn't any sunlight there

b)

no life exists there

c)

it is made up of only salt water

d)

it is hydrogenous

58.

Which of the following is a common source of oxygen in the ocean?

a)

Aquatic mammals

b)

Underwater volcanoes

c)

Ocean plants

d)

Hyrdothermal vents

59.

The chemical compound of water is

a)

HO

b)

H₂O

c)

H₃O

d)

HO₂

60.

Which of the following is NOT a reason the ocean has salt in it?

a)

Dissolved organisms.

b)

Rainwater runoff

c)

Volcanism

d)

comet impact

61.

The combination of cohesion and adhesion allows water to "crawl" in this property of water?

a)

cohesion

b)

adhesion

c)

capillary action

d)

surface tension

62.

Water can dissolve anything that is polar.

a)

True

b)

False

63.

Which layer is the least dense?

a)

Teal (top)

b)

Blue (middle)

c)

Red (bottom)

64.

What type of bond is shown by the dashed lines?

a)

Covalent

b)

Ionic

c)

Polar

d)

Hydrogen

65.

Water forms droplets due to this property of water?

a)

Cohesion

b)

Adhesion

c)

Capillary Action

d)

Surface Tension

66.

This zone of the ocean compromises the least amount of volume?

a)

Surface

b)

Pycnocline

c)

Deep

67.

What amount of the ocean is salt?

a)

97.5%

b)

3.5%

c)

89%

68.

The water layer within which the temperature decreases rapidly with depth. This layer acts as a density barrier to vertical circulation.

a)

surface

b)

mixed layer

c)

Ekman Spiral

d)

thermocline

69.

This layer of water is found at the surface, which has low density and warm.

a)

thermocline

b)

isotherm

c)

mixed layer

d)

bottom water

70.

Causes water that has been set in motion by winds or other forces to be deflected to the right in the Northern Hemisphere.

a)

Ekman Spiral

b)

Ocean Gyre

c)

Orbital Wobble

d)

Coriolis Effect

71.

Causes water that has been set in motion by winds or other forces to be deflected to the right in the Northern Hemisphere.

a)

Ekman Spiral

b)

Ocean Gyre

c)

Orbital Wobble

d)

Coriolis Effect

72.

Movements of ocean water in a continuous flow are called?

a)

ocean currents

b)

global winds

c)

air mass

d)

front

73.

Two types of ocean currents are

a)

local and global

b)

sea and land

c)

surface and deep

d)

warm and cold

74.

Surface currents are a result of

a)

Global Wind Patterns & Continents

b)

Earth's Rotation & Convection Currents

c)

Density

d)

All of the above

75.

As salinity increases

a)

Density increases

b)

Density decreases

76.

As salinity increases

a)

Density increases

b)

Density decreases

77.

In addition to salinity, what factor affects the density of seawater?

a)

depth

b)

latitude

c)

temperature

d)

salt content

78.

What term is the measure of dissolved salts in water?

a)

Thermocline

b)

Salinity

c)

Saltiness

d)

Tides

79.

What is the most abundant solid dissolved in seawater?

a)

Magnesium Chloride

b)

Calcium Chloride

c)

Potassium Chloride

d)

Sodium Chloride

80.

______ causes deep ocean currents

a)

The Coriolis Effect

b)

gravity

c)

wind

d)

density differences

81.

______ causes surface currents.

a)

The Coriolis Effect

b)

gravity

c)

density differences

d)

wind

82.

As plants and animals in the ocean die, the nutrients produced from their decay _____.

a)

are recycled by the Global Conveyor Belt

b)

sink to the bottom

c)

are destroyed by sunlight

d)

become coral reefs

83.

Nutrients are brought to the surface for phytoplankton to use at _______.

a)

gyres

b)

eddies

c)

upwellings

d)

the equator

84.

_______ causes the Coriolis Effect

a)

Earth's rotation

b)

gravity

c)

wind

d)

density

85.

The __________ is a surface current that flows along the eastern US and brings warm water to Europe.

a)

California Current

b)

Gulf Current

c)

North American Gyre

d)

Arctic Current

86.

There are (is) _______ major gyres in each ocean.

a)

1

b)

2

c)

3

d)

4

87.

Gyres in the southern hemisphere are surface currents that turn _________ due to the Coriolis Effect.

a)

clockwise

b)

counterclockwise

c)

toward the right

d)

toward the bottom of the ocean

88.

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

a)

gravity and the Coriolis Effect

b)

temperature and salinity

c)

wind and climate

d)

temperature and the Coriolis Effect

89.

The more scientific name of the Global Conveyor Belt is _____.

a)

halinethermal circulation

b)

thermohaline circulation

c)

thermodensity circulation

90.

Surface currents move because of trade winds and westerlies

a)

false

b)

true

91.

A land breeze flows from the sea to the land

a)

true

b)

false

92.

The horizontal movement of air caused by the differences in air pressure

a)

jet stream

b)

monsoon

c)

wind chill factor

d)

wind

93.

This is NOT an example of a global wind

a)

global winds

b)

easterlies

c)

land breeze

d)

westerlies

94.

The way Earth's rotation makes the winds curve

a)

Coriolis Effect

b)

Cuticle Effect

c)

Revolution

d)

rotation

95.

These are the winds that blow from the east to the west

a)

westerlies

b)

easterlies

c)

trade winds

d)

jet stream

96.

These are the winds that happen between the equator and the poles

a)

westerlies

b)

easterlies

c)

global winds

97.

Heat from the sun, wind, salinity, land mass acting as barriers, and earth's rotation are all factors that make ocean currents form.

a)

false

b)

true

98.

Currents in the Northern Hemisphere move in this direction

a)

clockwise

b)

counter-clockwise

c)

stright

99.

Warm ocean currents generally come from

a)

The North Pole

b)

The South Pole

c)

The Equator

d)

Both A and B

100.

Cold ocean currents generally come from

a)

The North Pole

b)

The South Pole

c)

The Equator

d)

Either Pole

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