Underwater Exploration

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Underwater Exploration

• Author Laura Johnson
• PowerPoint
• By Brett Riley

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The Sunlit Zone

• The first zone is the Sunlit zone.
• It is called the Sunlit zone because most of the
  sunlight hits this zone.
• There are tons of life here like shark, small
  fish, and lots of life are at this level.

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The Twilight zone

• The Twilight zone is the middle zone in the
  ocean.
• Some life is here like, Squid and Octopus.
• This zone reaches from 650 to 3,300ft.
• About 97 of the ocean is in this zone.

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The Dark Zone

• The Dark Zone is the lowest zone in the ocean.
• It stretches from 3.300ft to 36,000ft below.
• There are smokers and vents that provide life for
  the creatures that live down there.
• It is called Dark zone because it is always dark
  down there.

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Mid-Ocean Ridges

• A mid-ocean ridge is a huge plate or sheet of
  rock.
• Most ridges run through a lot of major oceans.
• One mid-ocean ridge runs for 46,000 miles.

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Smokers and Vents

• A smoker is a vent down at the real sea floor
  where very hot water and other chemicals pour
  out.
• Watch out this type of water can be up to 750
  degrees.
• Shrimp are common here because they love to feed
  on all the bacteria that lives on these smokers.

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Submersibles and ROVs

• A lot of explorers try to explore down in the
  deep but the journey is dangerous.
• So they send Submersibles so they dont get hurt.
• A Submersible or an ROV is a mini sub that takes
  pictures to help people learn more about the
  ocean.

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Credits

• PowerPoint Brett Riley
• Research Brett Riley
• Bibliography
• Underwater Explorers by Laura Johnson