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Oceans & Climate

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  • Where is the deepest place on Earth?
    Mariana Trench
  • What causes a decrease in ocean salinity?
    glaciers melting
  • Climate is different than weather because climate is _____.
    over a long period of time
  • Which ocean is the shallowest?
    Arctic
  • La Nina causes _______.
    colder temperatures than normal
  • Why is the health of the ocean important to humans?
    provides minerals, energy and food
  • What is a circular system of currents?
    gyre
  • Why is it so hard to study the deep sea?
    high pressure
  • This is how the temperature of the ocean water affects the amount of oxygen it contains.
    as temperature rises there is less oxygen
  • An increase in ocean salinity can cause this.
    density current
  • What part of the seafloor creates new seafloor and is the longest mountain range?
    mid-ocean ridge
  • What forms when the top of the wave moves faster than the bottom and the wave collapses?
    breaker
  • Cold currents make summers on the west coast of US ______.
    dry, cool
  • What resource do we drill for on the ocean floor?
    oil
  • An increase in carbon dioxide causes the ocean water to become...
    more acidic
  • Do currents affect the climate of coastal areas?
    yes
  • How much of the Earth's surface is covered with ocean?
    3/4
  • In what direction does the Coriolis Effect cause the gyres to turn in the Northern Hemisphere?
    clockwise or to the right
  • What part of the seafloor is mostly flat?
    abyssal plains
  • Which layer of the ocean has greater biodiversity?
    sunlight zone
  • What part of the seafloor is deepest part?
    trench
  • What are cold currents that bring nutrients to the surface?
    upwellings
  • What motion do water particles in waves travel?
    ciruclar
  • Does warm water or cold water evaporate faster leaving salt behind?
    warm
  • The salinity of ocean water is about 35 g per 1 kg of this.
    dissolved salts
  • What part of the seafloor is the shallow part near the shore?
    continental shelf
  • What causes tides?
    gravitational pull moon
  • What causes a harmful algal bloom?
    excess nutrients
  • What causes surface currents?
    wind
  • What causes the water to move between the water and air if the wind is blowing?
    friction
  • When gases get mixed at the surface, how do they get mixed to deeper levels?
    waves mix them in
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