Topography
Currents, Tides and Waves
Ocean Organisms
Miscellaneous 1
Miscellaneous 2
100
Algae is a producer. It needs a lot of sunlight. Where would it be located in the ocean?
Continental Shelf
100
Where is the Gulf Stream located and what is it?
A warm ocean current on the east coast of North America
100
The microscopic organism that makes its own food and is the base of the food web.
phytoplankton
100
Which has more salinity? Lakes or oceans
ocean
100
How is a food chain different from a food web?
A food web consists of many chains.
200
Decomposers can survive under great pressure and do not need sunlight. Where would they be located in the ocean?
Abyssal plain, ocean floor, trench
200
Which of the following affect ocean currents? A. water temperature B. jet skis in the water C. the way the Earth spins
A and C
200
Microscopic organisms that feed off the base of the food web.
zooplankton
200
Are currents going north and south from the equator cold or warm?
warm
200
What is sediment?
Food, rocks, and shells
300
Name 2 or more geographical features that can be found on the ocean floor.
seamounts (mountains), plains, or ridges
300
Which of the following do not affect currents? A. wind B. salinity C. waves
waves
300
How are zooplankton and phytoplankton different?
One is an animal, and one is a plant. One produces its own food, and one does not.
300
Why does wind blow over the Earth from east to west?
The earth rotates from west to east.
300

As salinity decreases, density _________.

decreases

400
What part of the ocean floor has abundant life?
Continental shelf
400
Tides are affected MOST by: A. the gravitational pull of the sun B. Earth's rotation around the sun C. the gravitational pull of the moon?
gravitational pull of the moon
400
At 1m deep the temperature is 25 degrees Celsius. At 200m deep the temperature is 12 degrees Celsius. At 500m deep the temperature is 7 degrees Celsius. What conclusions can you make from the sentences above?
As depth increases, temperature decreases.
400
What is the name of the deepest place on Earth?
Marianas Trench
400
What is salinity? What does salinity affect: currents, waves, or tides?
How much salt is in water. Salinity affects currents.
500
Why do organisms need to be specially adapted to live on the ocean floor?
Great pressure and no sunlight
500
How would a very strong wind affect surface currants?
It would cause the waves to get much bigger and stronger.
500
Would more organisms live at 50m or 1000m? Why?
50m, because there is more sunlight and less pressure.
500
When an arrow is pointing at an organism on a food web, what does that indicate?
That it is consuming the organism the arrow is originating from.
500
What is the name of the longest mountain chain in the world?
Mid-Ocean Ridge
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