Geographical Characteristics
Physical Characteristics
Ecological Characteristics
Humans and the Oceans
Features of the Ocean Floor
100
Oceans cover this percentage of the Earth.
What is 70%?
100
This is the deepest part of the ocean.
What are trenches?
100
These are plant-like organisms that produce much of the Earth's oxygen and serve as the base of the ocean ecosystem.
What are phytoplankton?
100
The salinity of the ocean is dependent on rates of evaporation and this.
What is runoff from nearby land?
100
This is a huge underwater mountain.
What is a seamount?
200
The important feature of the ocean floor that is closest to the edge of the continents.
What is Continental Shelf?
200
This si the shallowest part of the ocean.
What is the Continental Shelf?
200
This is how plankton make food.
What is photosynthesis?
200
Name one way oil can get into the ocean and pollute it.
What is ships spill it, natural seepage from the earth, or runoff?
200
These islands that are part of the United States were formed from underwater volcanos.
What are the Hawaiian Islands?
300
This feature is the build up of sediment on the sea floor at the bottom of the Continental Slope.
What is the Continental Rise?
300
These are the basic motions of the ocean.
What are waves, currents, and tides?
300
Marine organisms depend on this for survival.
What are the dissolved gases in the water?
300
Overfishing can harm the ocean by doing this.
What is killing off too many fish and causing animals to become endangered or extinct?
300
This runs down the entire length of the Atlantic Ocean.
What is the Mid-Atlantic Ridge?
400
This is one of the flattest places on Earth.
What is the Abyssal Plains?
400
Ocean currents are caused by these two things.
What are wind patterns and the salinity of the water?
400
This is where nutrient levels are high.
What is the bottom of the ocean?
400
This is how humans can get sick from ocean pollution.
What is they eat seafood that has been contaminated?
400
This vast flat land covers almost half of the deep ocean floor.
What is the Abyssal Plain?
500
This feature is steeper, deeper, and narrower than the shelf.
What is the Continental Slope?
500
As the depth of the ocean increases, this happens to the temperature, salinity, pressure and light.
What is the temperature decreases, the salinity increases, the pressure increases, and light decreases?
500
This important current affects weather, plants, and animals.
What is the Gulf Stream?
500
Oceans provide seafood, minerals, fossil fuels and this.
What is fresh water when the salt is removed?
500
Name in order from the shoreline to the abyssal plain the features of the ocean floor.
What are the Continental Shelf, Continental Slope, and the Continental Rise?
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