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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.
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∙ 14y ago
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∙ 15y agoMostly sonar. It's similar to radar, but uses sounds.
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∙ 14y agoA sonar is a device that bounces sound waves off underwater objects and then records the echoes of these sound waves.
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∙ 14y agoUnderwater sonar
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∙ 11y agothey used a thesisscope
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∙ 15y agoSonar.
Wiki User
∙ 11y agoSonar.
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How would a geographer most likely use a sonar to do what task?
map a section of the ocean floor(: _NovaNet_
How would a geographer most likely use a sonar?
Map a section of the ocean floor-jesstyn wise.this is ture.gradpoint/novanet.
What do scientist use to measure the rate of movement of oceanic plates?
sea-floor spreading
Use the words sea floor spreading and mid ocean ridges in a complete sentence?
Mid ocean ridges are the direct result of sea floor spreading.
Why do scientists use indirect methods to study the ocean floor?
People have studied the ocean since ancient times , because the ocean provides food and serves as a route for trade and travel.
What are sonars used for?
Scientist use Sonar to map the ocean floor. Scientist use Sonar to map the ocean floor.
What technology did scientist use in the mid-1900s to map the mid-ocean?
they used the magnifier to launch the band to map the mid-ocean ridge
What technology did Harry Hess use to map the ocean floor?
probably 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
How would a geographer most likely use a sonar to do what task?
map a section of the ocean floor(: _NovaNet_
A geographer would most likely use sonar to do which task?
map a section of pacific ocean floor.
How would a geographer most likely use a sonar?
Map a section of the ocean floor-jesstyn wise.this is ture.gradpoint/novanet.
How do scientist find the depth of the ocean waters?
scientist use sound
What is the third tool that every Scientist uses?
They use a map.
What are the tools they use to map the bottom of the ocean?
Often ships will use sonar to map the seafloor.
What did oceanographers use to map ocean floors back then before sonar was made?
Back in the day, sailors would head out on the ships and tie a lead sinker to a line to measure the ocean floor. Hope this helped!! ;)
Oceanographers can use sonar to calculate the depth of the ocean floor because?
sound waves can penetrate the ocean floor.
