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Science » Earth Sciences » Oceans

Oceans Alive

explores the mountains, abysses, and other physical features of the ocean floor, as well as the movement of the continents, the water cycle, the four oceans, waves and wind, currents, tides, marine life near the surface, and ocean predators and prey. Activities are provided for learning about the water cycle, water currents, web of life, and tides. (Museum of Science, National Science Foundation)

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Interesting Fact:

Oceanographers divide the ocean into five broad zones according to how far down sunlight penetrates. Plants are found only in the sunlit zone where there is enough light for photosynthesis, however, animals are found at all depths of the oceans, though their numbers are greater near the surface where food is plentiful.
Map of ocean currents around the earth.

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