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Alice Marine Science

Total questions: 53

Worksheet time: 33mins

Name
Class
Date
1.
Where does the energy from hydrothermal  vents come from?
a)
active volcanoes heat the water
b)
magma from the mantle bubbles to the surface
c)
water is converted to gas that rises through cracks in the ocean floor
d)
methane leaks from pockets in the crust
2.
What process do the bacteria in vents use to produce energy?
a)
Photosynthesis
b)
Chemosynthesis
c)
Fermentation
d)
Cellular Respiration
3.
What creature is this?
a)
Vent Crab
b)
Vent Shrimp
c)
Tube Worm
d)
Ventfish
4.
Where does the energy from hydro-thermal  vents come from?
a)
Cold Seep
b)
Steam
c)
Trench Lakes
d)
Hot Springs
5.
What color will the smoke be from a vent that has water that leached metals from the mantle and crust?
a)
Black
b)
White
c)
Orage
d)
Blue
6.
What prevents water from boiling near the vents?
a)
Extreme Pressure
b)
Cold Currents
c)
Methane
d)
Hydrogen Sulfide
7.
What domain are the bacteria found on these vents from?
a)
Archea
b)
Procaryote
c)
Eukaryote
d)
Animalia
8.
What two compounds do vents and cold seeps provide for bacteria to turn into energy?
a)
Hydrogen Sulfide and Methane
b)
Methane and Sulfuric Acid
c)
Oxygen and Hydrogen
d)
Carbon Dioxide and Methane
9.
Tube worms get energy via
a)
symbiosis with bacteria
b)
ingestion of bacteria
c)
predation
d)
scavenging
10.
Ventfish get energy via
a)
symbiosis with bacteria
b)
ingestion of bacteria
c)
predation
d)
scavenging
11.
Vent Shrimp and Snails get energy via
a)
symbiosis with bacteria
b)
ingestion of bacteria
c)
predation
d)
scavenging
12.
Which of the following factors will NOT regulate the size of the vent community?
a)
Temperature
b)
Amount of Sunlight
c)
Competition for food
d)
Ecological Cascading
13.
What creature is this?
a)
Vent Crab
b)
Vent Shrimp
c)
Tube Worm
d)
Ventfish
14.
When were the hydrothermal vents discovered?
a)
1998
b)
1977
c)
1984
d)
2002
15.
A dead whale that sinks to the seafloor brings a sudden bonanza of food to the dark desertlike expanse of the ocean floor. What do we call this phenomenon?
a)
Whale Fall
b)
Whale Sink
c)
Dead Drop
d)
Whale Well
16.
Where does thermohaline circulation take place?
a)
The Equator
b)
The Poles
c)
The Indian Ocean
d)
The Gulf of Mexico
17.
Which of the following would cause an increase in density of water?
a)
Increase Temperature
b)
Decrease Temperature
c)
Decrease Salinity
d)
Increase Fresh Water
18.
What causes the movement of deep sea currents?
a)
Wind blowing across the surface
b)
Gravity from the moon
c)
Density differences in the water
d)
Volcanic activity
19.
What do we call the path in which deep sea water flows?
a)
Global Conveyor Belt
b)
Deep Sea Run
c)
Ocean Motion Movement
d)
Nutrient-Rich Water Cycle
20.
How does temperature affect density?
a)
Lowering temperature will cause the water density to increase.
b)
Increasing temperature will cause the water density to increase.
21.
What types of reef is ring shaped and just surrounds a body of water called a lagoon?
a)
atoll
b)
fringe
c)
halo
d)
barrier
22.
When the top of a volcano breaks the surface, it is called...
a)
a guyot
b)
a seamount
c)
a volcanic island
d)
a atoll
23.
What is a oceanic feature that resembles a mountain that is completely under water?
a)
seamount
b)
knoll
c)
atoll
d)
guyot
24.
What do you call a seamount that has a flattened topside?
a)
guyot
b)
plateau
c)
shelf
d)
volcanic island
25.
What causes the formation of a guyot?
a)
waves and currents weather and tops
b)
the top collapses when the magma cools
c)
earthquakes shatter the peaks
d)
coral erode the tops
26.
The Great Barrier Reef is located of the coast of what country?
a)
Australia
b)
United States
c)
Mexico
d)
Japan
27.
What is the difference between a seamount and a knoll?
a)
Seamounts are smaller than knolls
b)
Knolls break the surface of the ocean
c)
Seamounts are created by volcanic activity and knolls are created by coral
d)
Seamounts are larger than knolls
28.
What do we call the deep salt water body of water located between the shore of land and a barrier reef?
a)
Goyut
b)
Lagoon
c)
Sea
d)
Atoll
29.
What organisms create reefs?
a)
Coral
b)
Fish
c)
Crabs
d)
Plankton
30.
Reef that grows from the shore.
a)
Fringe Reef
b)
Barrier Reef
c)
Atoll
31.
A reef that forms around a crater where an island has once been.
a)
Atoll
b)
Fringe
c)
Barrier
32.
A reef that has a lagoon between it and the land mass.
a)
Barrier
b)
Fringe
c)
Atoll
33.

______ causes deep ocean currents

a)

The Coriolis Effect

b)

gravity

c)

wind

d)

density differences

34.

______ causes surface currents.

a)

The Coriolis Effect

b)

gravity

c)

density differences

d)

wind

35.

Decreasing ocean temperature causes the density of the water to ______.

a)

decrease

b)

increase

c)

stay the same

d)

fluctuate

36.

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

a)

gyres

b)

eddies

c)

upwellings

d)

the equator

37.

Which is not true about salty water?

a)

Floats on top of freshwater

b)

Higher density

c)

It has more molecules than freshwater

d)

It sinks at the bottom of a container

38.

What does the blue line represent in the Thermohaline circulation?

a)

Warm salty water

b)

Warm water

c)

Cold water

d)

Cold salty water

39.

What does the red line represent?

a)

Warm water

b)

Warm salty water

c)

Cold water

d)

Cold salty water

40.

Thermohaline circulation distributes which of the following?

a)

heat

b)

nutrients

c)

carbon dioxide

d)

all of the above

41.

Which pictures shows the correct "Global Conveyor Belt"?

a)
b)
c)
d)
42.

Which of the following types of water would SINK the fastest?

a)

warm and salty

b)

cold and salty

c)

warm and fresh

d)

cold and fresh

43.
What term is the measure of dissolved salts in water?
a)
Thermocline
b)
Salinity
c)
Saltiness
d)
Tides
44.
Comes from the words 'heat' and 'salt'
a)
thermohaline
b)
salinity
c)
density
d)
temperature
45.
As currents warm near the equator, the currents
a)
float
b)
circulate
c)
sink
d)
rise
46.

What percentage of the ocean is taken up by coral reefs?

a)

10-12 percent

b)

25 percent

c)

around one percent

d)

more than fifty percent

47.

What percentage of the ocean's sea life lives in coral reefs?

a)

10 -15%

b)

20%

c)

45%

d)

25%

48.

What causes coral bleaching?

a)

oil spills

b)

warmer water temperatures

c)

overfishing

d)

red tide

49.

What is one way scientists trying to save the coral reefs?

a)

by growing coral and planting it in the ocean

b)

by restricting access to reefs

c)

by adding new species of fish to the reefs

d)

by adding fertilizer to the coral reefs

50.

What is the largest coral reef on the planet?

a)

Rainbow Reef, Fiji

b)

Great Chago Archipelago, Indian Ocean

c)

Amazon Reef, Brazil

d)

Great Barrier Reef, Australia

51.
What builds up over time to form a reef?
a)
Sand
b)
Coral skeletons
c)
Fish bones
d)
Rocks
52.
Which of the following is NOT a type of coral reef?
a)
Fringing reefs
b)
Barrier reefs
Barrier reefs
c)
Atolls
d)
Crustacean 
53.

Climate change is caused by

a)

a decrease ozone

b)

an increases in greenhouse gases

c)

an increase in land-based ice

d)

an increase in ocean volume

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