History of Earth & Oceans Review

Front

How long ago did Earth form?

Back

4.5 billion years ago

Front

Which ocean is the warmest?

Back

Indian Ocean

Front

Which ocean is labeled #2?

Back

Atlantic Ocean

Front

Which ocean is the saltiest?

Back

Atlantic Ocean

Front

Which ocean is the coldest?

Back

Arctic Ocean

Front

What is the largest ocean on Earth?

Back

Pacific Ocean

Front

What is the average depth of the ocean?

Back

About 12,080 feet (3,682 meters)

Front

What percentage of Earth's surface is covered by oceans?

Back

About 71%.

Front

What is the process of ocean water becoming saltier called?

Back

Evaporation.

Front

What is the term for the movement of ocean water caused by wind?

Back

Ocean currents.