1. 2014

2. 
When do spring tides occur?
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A. During first quarter moon and a third quarter
moon.
B. During full moon
C. During new moon.
D. During a full moon and new moon.

3. 
Waves on the surface of the ocean are mostly
caused by what?
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
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A. Wind
B. Gravity
C. Tides
D. Tsunamis

4. 
How often do high tides occur in most places?
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A. Every 3 hours
B. Every 6 hours
C. Every 9 hours
D. Every 12 hours

5. 
What are tides caused by?
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A. Wind
B. Waves
C. Gravity from the moon
D. Gravity from the moon and sun

6. 
What is a tide with the least difference
between high and low tide called?
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A. neap tide
B. spring tide
C. fall tide
D. leap tide

7. 
What does salinity measure?
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A. The amount of ions in water
B. The amount of dissolved salts in water
C. The amount of fish in water.
D. The amount of undissolved salts in water

8. 
What is the most abundant salt in seawater?
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A. Sodium chloride
B. Magnesium chloride
C. Calcium chloride
D. Potassium chloride

9. 
Which of the following areas in the ocean
would have the lowest salinity?
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A. a warm, tropical sea
B. the cold Arctic Ocean
C. a bay at the mouth of a big river
D. deep parts of the Pacific Ocean

10. 
In which zone is the most dense ocean water
found?
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A. Intertidal Zone
B. Surface Zone
C. Transition Zone
D. Deep Zone

11. 
What are deep currents caused by?
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A. Fish swimming
B. Wind
C. Differences in density
D. Gravity

12. 
What is a deep canyon in the ocean floor
called?

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A. A canyon
B. A trench
C. A mid-ocean ridge
D. A rift valley

13. 
In which zone is ocean temperature most
affected by weather?
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A. Surface zone
B. Transition zone
C. Deep zone
D. Hydrothermal zone

14. 
What is the continuous chain of underwater
mountains called?

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A. Mid-ocean ridge
B. Volcanic island chain
C. Seamounts
D. Abyssal plain

15. 
What is the nearly flat region of the ocean
floor covered with sediment called?

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A. Abyssal Plain
B. Continental Shelf
C. Mid-ocean Ridge
D. Trench

16. 
What marks the true edge of a continent?

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A. Abyssal Plain
B. Continental Shelf
C. Continental Slope
D. Continental Rise

17. 
Which zone of the ocean receives enough
sunlight to support the growth of algae?

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A. Surface Zone
B. Transition Zone
D. Deep Zone
C. Trench Zone

18. 
What is the gently sloping region that extends
from the edge of a continent called?

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A. Abyssal Plain
B. Continental Shelf
C. Continental Slope
D. Continental Rise

19. 
What surface current affects the climate of
England?

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A. East Australian Current
B. Gulf Stream
C. Greenland Current
D. United Kingdom Current

20. 
More than 97% of the Earth’s water is found
where?
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A. The oceans
B. The atmosphere
C. Lakes
D. Ice/Glaciers

21. 
The energy that drives the water cycle comes
from what?
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A. Wind
B. Tides
C. Hurricanes
D. Sun

22. 
More than two thirds of the Earth’s
freshwater is found in what?
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A. Atmosphere
B. Groundwater
C. Icecaps and glaciers
D. Lakes

23. 
What is the process where plants release
water into the atmosphere?

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A. Accumulation
B. Condensation
C. Evaporation
D. Transpiration

24. 
The process by which molecules at the
surface of a liquid gain enough energy to
change into a gas is called what?

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A. Condensation
B. Evaporation
C. Precipitation
D. Transpiration

25. 
Water that falls to the Earth as snow is called
what?

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A. Collection.
B. Condensation
C. Evaporation
D. Precipitation

26. 
What is happening to the total amount of
water on the Earth?

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A. It is increasing.
B. It is decreasing.
C. It is staying about the same.
D. Freshwater is increasing but saltwater is
decreasing.

27. 
What needs to happen for a molecule to leave
the ocean and enter the atmosphere?


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A. It needs to gain energy
B. It needs to lose energy
C. It needs to keep the same amount of energy
D. It needs to have an energy party

28. 

What causes waves?
wind

29. 

What causes surface currents?
wind

30. 

What causes deep currents?
Differences in density

31. 
How do we study the ocean?
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A. Sonar
B. Satellites
C. Submersibles
D. All of the above