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Ocean Education

Resources for Learning about the Ocean

Audience versions of this page: Educators

  • How Big is a Blue Whale?

    Students Discover Just How Big These Giants of the Ocean Are

    A blue whale dives down in the Sea of Cortez in Mexico. Blue whales are the largest animals ever known to have lived on Earth. Adults can grow to be 25 to 32 meters (82 to 105 feet) long and can weigh up to 181, 437 kilograms (200 tons). Their hearts alone can weigh as much as an automobile.
  • Emperor Penguins on Ice

    Discover How Emperor Penguins Use Physics to Survive

  • Marine Ecology Unit

    Find Project-Based Learning Resources on Marine Ecology

    Loggerhead turtles are the most common species of sea turtle found in U.S. waters.
  • No Mess Dissection

    Engage Your Students With a Current Environmental Issue

    Plastic materials extracted from the bolus.
  • The Arctic Ocean

    Enric Sala Shares Some Hot Facts About this Cool Ocean

    Not all icebergs are as big as houses. "Bergy bits" are pieces of ice that float no more than 5 meters (16.5 feet) above the ocean. Growlers reach only one meter (3.3 feet). This boat navigates brash ice, a collection of different kinds of icebergs, in front of a large iceberg or tidewater glacier off the coast of Greenland.

Physical Oceanography

Marine Communities

Use these illustrations with students in Grades 9-12 to explore various marine ecosystems.

MapMaker Interactive

Explore ocean surface currents, chlorophyll levels, surface temperatures, and bathymetry using this interactive map.


Find out how scientist and engineers map the ocean floor—and avoid running into rocks, reefs, and underwater mountains!


My Ocean

Game. Build your ocean with this fun matching game.


Time yourself while placing the contintents correctly on an ocean-covered Earth. Then race to map countries and cities.


Ocean Exploration

Did you know that 98% of the ocean remains unexplored? Dive into unknown depths with this GeoStory.

Voyages Across the Ocean

Be at the forefront of exploration and travel around the globe alongside history's favorite explorers with this GeoStory.

Funded in part by

Ocean Cartoons

Ocean Conveyor Belt

Thermohaline circulation, better known as the "ocean conveyor belt," moves water around the planet.


Earth's Tides

The Earth's rotation and the gravitational pull of the sun and moon create tides.

More from National Geographic

The Ocean

Find out what National Geographic offers to support ocean conservation.

Ocean Views

Dive into ocean issues with this blog from National Geographic's Ocean Initiative.

Ocean for Life

See how students from around the world connect to the ocean through photography.

World Oceans Day

Learn how kids can help protect the ocean.