Ocean Currents and Marine Topography
Learn about global ocean currents and underwater features of marine topography. Discover seafloor structures like trenches, ridges, and continental shelves.
Questions
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MultiChoice
What is the shallow, gently sloping underwater region extending from a continent?
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MultiChoice
What is the vast, flat area of the deep ocean floor called?
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MultiChoice
What is an underwater mountain rising from the seafloor that does not break the ocean surface?
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MultiChoice
What steep decline connects the continental shelf down to the deep ocean floor?
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MultiChoice
What cold current flows along the western coast of South America toward the equator?
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MultiChoice
What effect caused by Earth's rotation deflects moving winds and ocean currents?
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MultiChoice
What feature is an eroded, flat-topped seamount below the sea surface?
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MultiChoice
What ocean depth zone is completely dark and lies below 4000 meters?
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MultiChoice
What process brings cold, nutrient-rich water from deep ocean levels up to the surface?
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MultiChoice
What circular system of rotating ocean currents is driven by major wind belts?
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MultiChoice
What underwater mountain chain forms where tectonic plates pull apart on the seafloor?
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MultiChoice
Which ocean layer receives enough sunlight for marine plants and algae to perform photosynthesis?