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The “Vast” World Ocean

The “Vast” World Ocean. 14.1. How deep is the ocean?. How much of Earth is covered by ocean?. What is under all of that water?. “Blue Planet”. Ocean = 71% of Earth Continents = 29% (Only!). 29%. 71%. 4 Main Oceans. Pacific Atlantic Indian Arctic. “Southern Ocean”.

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The “Vast” World Ocean

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  1. The “Vast” World Ocean 14.1

  2. How deep is the ocean? How much of Earth is covered by ocean? What is under all of that water?

  3. “Blue Planet” • Ocean = 71% of Earth • Continents = 29% (Only!) 29% 71%

  4. 4 Main Oceans • Pacific • Atlantic • Indian • Arctic “Southern Ocean” “People Are Intelligent Always”

  5. Mapping the Ocean Floor • Ocean Topography • As Diverse as Continents! • Valleys, Mountains, Volcanoes, Plains etc! • Bathymetry • Bathos = Depth • Metry = Measurement • Measurement of ocean floor

  6. How do we know?! • Boats • Sonar • Bouncing sound waves • Satellites • Sea level changes • Submersibles • Underwater boat

  7. REVIEW • What are the 4 main oceans? • How much of Earth is covered by water? • What does Bathymetry mean? • How do we know about the ocean floor? Pacific, Atlantic, Indian, Arctic 71% Measuring ocean depths Boats, Sonar, Satellites, Submersibles

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