The Dead Sea is a landlocked sea. A landlocked sea occurs when tectonic activity causes the sea to be completely surrounded by land. The Dead Sea is fed by the Jordan River, above. Other landlocked seas include the Caspian Sea and the Aral Sea.

Photograph by Luis Marden

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sea Encyclopedic Entry

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5 - 12 and up

Geography, Science

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People often use the term “sea” to refer to the ocean. To geographers, a sea is a division of the ocean that is enclosed or partly enclosed by land.