Ocean

Front

What are the deepest parts of the ocean called?

Back

Trenches are the deepest parts of the ocean.

Front

Which ocean zone is known for having the most biodiversity?

Back

The Epipelagic zone is known for having the most biodiversity.

Front

What is the largest mammal on Earth?

Back

The blue whale is the largest mammal on Earth.

Front

Which ocean is the largest and contains nearly 50 percent of Earth’s ocean water?

Back

The Pacific Ocean is the largest ocean.

Front

What process causes ocean water to become salty?

Back

Evaporation is the process that causes ocean water to become salty.

Front

What is the term for the area of the ocean that is closest to the shore?

Back

The Neritic zone is the area of the ocean that is closest to the shore.

Front

What is the main source of energy for ocean currents?

Back

The main source of energy for ocean currents is the wind.

Front

What is the term for the ocean layer that receives enough sunlight for photosynthesis?

Back

The Epipelagic zone is the ocean layer that receives enough sunlight for photosynthesis.

Front

What is the average depth of the ocean?

Back

The average depth of the ocean is about 12,080 feet (3,682 meters).

Front

What is the term for underwater mountains formed by volcanic activity?

Back

Seamounts are underwater mountains formed by volcanic activity.