Ocean Features and Zones

Front

What happens to the temperature of ocean water as depth increases?

Back

The temperature decreases (becomes colder).

Front

What is the main factor that divides the ocean layers?

Back

The amount of light in each layer.

Front

How many oceans are there in the world?

Back

There are 5 oceans.

Front

What is the deepest part of the ocean basin called?

Back

Trenches.

Front

Which ocean zone has the warmest water temperature?

Back

Sunlight zone.

Front

What is the term for the flat areas on the ocean floor?

Back

Abyssal plains.

Front

What is the name of the underwater mountain range?

Back

Mid-ocean ridge.

Front

What zone is located just below the sunlight zone?

Back

Twilight zone.

Front

What is the primary source of energy for ocean life in the sunlight zone?

Back

Sunlight.

Front

What type of organisms are found in the midnight zone?

Back

Organisms that can survive in complete darkness, often bioluminescent.