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Science
Earth Science
Geology
Sea-Floor Spreading - Science
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What is the longest chain of mountains in the world?
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Mid-ocean ridge
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Terms in this set (30)
What is the longest chain of mountains in the world?
Mid-ocean ridge
What is the mid-ocean ridge?
A chain of mountains that runs along the middle of the ocean floor. The mid-ocean ridge forms along a crack in the oceanic crust.
How did scientists map the mid - ocean ridge in the 1900's?
Sonar
What is sonar?
A device that scientists use to map the ocean floor, using sound waves to measure the distance of an object.
How does Sonar work?
A device that bounces sound waves off underwater objects and then records the echoes of these sound waves.
