Science | Environmental Science | Oceanography

Oceanography is the study of the oceans as ecological systems. In this section, learn about topics like currents, deep-sea research or how rogue waves work.

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How do they measure sea level?

How do they measure "sea level"? Is it the average of the tides? And is the sea level actually rising or not?


The Ultimate Pacific Ocean Quiz

The Ultimate Pacific Ocean Quiz

This Pacific Ocean quiz will test your knowledge of the world's biggest ocean. Test yourself with this Pacific Ocean quiz. See more »

The Ultimate Great Pacific Garbage Patch Quiz

The Ultimate Great Pacific Garbage Patch Quiz

This Great Pacific Garbage Patch quiz will test your knowledge of this floating landfill. Test yourself with this Great Pacific Garbage Patch quiz. See more »

Is the Dead Sea really dead?

Is the Dead Sea really dead?

The Dead Sea has a macabre name, but it's famous for incredibly high levels of salt. Read about the Dead Sea and just how salty the body of water is. See more »

Who owns the oceans?

Who owns the oceans?

International water covers 71 percent of the Earth's surface and includes five oceans. Learn how international water is shared among all the nations. See more »

How can you make water invisible?

How can you make water invisible?

Magicians say invisible water exists, and they often prove it by floating a small boat on thin air. Learn the magic behind the invisible water trick. See more »

How Wave Energy Works

How Wave Energy Works

Wave energy could be used to create electricity, replacing the burning of fossil fuels. Find out more about wave energy and how it can be harnessed. See more »

How Hydrology Works

How Hydrology Works

Hydrology is the study of the flow of water through the Earth's hydrologic cycle. Find out why hydrology is an important branch of science. See more »

Ocean Current Pictures

Ocean Current Pictures

Ocean currents can have a major impact on the Earth's weather. Check out this collection of ocean current pictures. See more »

What are tide tables?

What are tide tables?

Tide tables tell you when and how high the two highest and lowest tides in an area will be. Find out how tide tables can be useful to you. See more »