Ocean and Seas Unit Practice (2023)

Front

What is the Mediterranean Sea?

Back

A sea connected to the Atlantic Ocean, surrounded by Europe, North Africa, and Asia.

Front

What is the Bering Sea?

Back

A marginal sea of the Pacific Ocean located between Alaska and Russia.

Front

What is the Indian Ocean?

Back

The third-largest ocean, bordered by Africa, Asia, Australia, and the Indian subcontinent.

Front

What is the Red Sea?

Back

A seawater inlet of the Indian Ocean, lying between Africa and Asia.

Front

What percentage of the Earth's surface is covered by water?

Back

71% of the Earth's surface is water.

Front

Define 'ocean.'

Back

A large body of salt water that covers most of the Earth's surface.

Front

What are the main components of ocean water?

Back

Salinity, temperature, and dissolved gases.

Front

What is salinity?

Back

The concentration of salts in water, typically measured in parts per thousand.

Front

What is the significance of ocean currents?

Back

They regulate climate, distribute heat, and affect marine life.

Front

What is the difference between a sea and an ocean?

Back

Seas are smaller and partially enclosed by land, while oceans are vast and open.