Floor

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Floor Features
Salty Schmalty
Dont Zone Out!
Waves Currents
Im an Oceans Genius ?
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A gently sloping shelf of land extending from the
shoreline to the continental edge (covered by
shallow water)
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ContinentalShelf
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A gently sloping hill that connects the
continental slope to the ocean floor. This is
also where sediments are deposited.
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ContinentalRise
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Valleys cut deep into the ocean floor
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Trenches
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A chain of high elevation found where the Earth
is shifting
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Mid-ocean ridges
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Identify 3 characteristics of an abyssal plain.
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Flat, deep, cold, dark, little to no life/plants,
covers most of the ocean, smoothest place on Earth
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What is the percent of salt in ocean water called?
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Salinity
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True or FalseOcean water is not made up of pure
water.
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True
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Compare the salinity of ocean water and fresh
lake water.
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Ocean water is salty, but lake water is fresh
water.
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As the depth of the ocean increases, what happens
to the salinity level?
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Increases
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What happens to the salinity level of the ocean
when it is near an area that has severe drought?
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Salinity level increases because water evaporates
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This zone has very few signs of life due to
crushing pressure.
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Abyssal zone
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The water in this zone is pitch black, with the
only light coming from creatures that live there.
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Midnight Zone
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The suns light grows faint, so no plants can
grow here.
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Twilight Zone
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This zone is a great place for plants, algae, and
fish to live.
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Sunlight Zone
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Describe 3 physical changes related to ocean
depth.
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1. Temperature2. Amount of Light3. Pressure4.
Salinity5. Animal/Plant Life
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Currents are massive flows of water, like
___________ in the seas.
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Rivers
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• Do currents move warm water towards the Equator
  or away from the Equator?

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Away
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Can currents affect land climate?
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Yes
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Identify 3 causes of currents.
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1. Wind2. Temperature Change3. Spinning of the
Earth
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A ______ is the up and down movement of surface
water and does not move water forward.
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wave
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Name the 3 different types of currents.
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1. Surface2. Shoreline3. Rip
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True or FalseThe zones in the ocean are based
upon the amount of marine life that live there.
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False (Based on the amount of light received)
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A self contained underwater breathing apparatus
is also known as ___________ to divers.
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SCUBA
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Name one way waves and currents help, as well as
hurt, the shore.
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Helpdeposit beach materials along the coast,
including beachesHurt/harmerode the shoreline
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Oceans cover what percentage or fraction of the
Earths surface?
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¾ 75