the “vast” world ocean

11
 The “Vast” World Ocean 14.1

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Page 1: The “Vast” World Ocean

   

The “Vast” World Ocean

14.1

Page 2: The “Vast” World Ocean

   

Page 3: The “Vast” World Ocean

   

How deep is the ocean?

How much of Earth is covered by ocean?

What is under all of that water?

Page 4: The “Vast” World Ocean

   

“Blue Planet”•

Ocean = 71% of Earth

•Continents = 29% (Only!) 

71%29%

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4 Main Oceans1.  Pacific2.  Atlantic3.  Indian4.  Arctic

“People Are Intelligent Always”“Southern Ocean”

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Mapping the Ocean Floor

• Ocean Topography – As Diverse as Continents!– Valleys, Mountains, Volcanoes, Plains etc!

• Bathymetry– Bathos = Depth– Metry = Measurement– Measurement of ocean floor

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How do we know?!• Boats

– Sonar– Bouncing sound 

waves

• Satellites– Sea level changes

• Submersibles– Underwater boat 

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REVIEW

1. What are the 4 main oceans?

2. How much of Earth is covered by water?

3. What does Bathymetry mean?

4. How do we know about the ocean floor?

Pacific, Atlantic, Indian, Arctic

71%

Measuring ocean depths

Boats, Sonar, Satellites, Submersibles

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