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How scientists map the bottom of the ocean
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What do scientists know about the bottom of the ocean?
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What are slimy deposits at the bottom of the ocean?
The bottom of the ocean that is slimy is called a biogenous bottom. Some scientists refer to this kind of ocean bottom as an ooze. They are the result of a dominance of calcium shells and siliceous shell pieces which dissolve at the bottom of the ocean.
What technology did scientists use in the mid -1900s to map the mid-ocean ridge?
they used the magnifier to launch the band to map the mid-ocean ridge
What technology did scientists use in the mids-1900s to map the mid-ocean ridge?
they used the magnifier to launch the band to map the mid-ocean ridge
What technology did scientists use in the mid-1900s to map the mid- ocean ridge?
they used the magnifier to launch the band to map the mid-ocean ridge
What are the tools they use to map the bottom of the ocean?
Often ships will use sonar to map the seafloor.
Where can you find a map of the ocean floor?
Download google earth. In layers on right bottom select OCEAN
What the scientists already know about the bottom of the ocean?
they know that there are types of deadly sharks
How do scientists use echoes in the ocean?
the use it by seeing how deep the ocean is so the echo will bounce back from the bottom of the ocean to the top
What technology did scientists use in the mid-1900s to map the mid-ocean ridge?
Sonar.
What is a method to map the oceans?
Mapping the Ocean Floor with Echo Sounding is the key method scientists use to map the seafloor today
What did scientists use in the mid-1900's to map the mid-ocean ridge?
sonar - by bouncing sound signals off the bottom of the ocean, they were able to map the depth of the ocean. Deep sea diving would take too long. Satellites were not in orbit until the 1970's and submarines were not necessary since sonar could be done from the surface on a boat.
