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The Ocean Deep

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    Ocean tides, waves, and current
  •   Study   Slideshow
  • The force that pulls fresh water toward the ocean is called?
    Gravity
  •  15
  • These are streams of water moving like rivers through the ocean.
    currents
  •  15
  • The up-and-down movements on the surface of the ocean are called....
    waves
  •  15
  • What causes most waves and surface currents?
    wind
  •  15
  • What do we call the regular changes in the water level of the oceans?
    tides
  •  15
  • What fraction of the earth is covered by water?
    Three fourths
  •  15
  • What are the two types of water found on the earth?
    Fresh and salt
  •  15
  • Fresh waters carries these to the oceans.
    Nutrients and minerals
  •  15
  • What are plankton?
    Plants and animals that drift in the ocean and live near the surface.
  •  15
  • True or false: Plankton provide food for many animals.
    True
  •  15
  • True or false: Nothing can live in the part of the ocean that does not get sunlight.
    False
  •  15
  • What landform features does the ocean floor have?
    Mountains, valleys, and plains
  •  15
  • These affect the climate of the land that they are near.
    Surface currents
  •  15
  • The path water takes as it travels between the earth and the air is called.....
    The Water Cycle
  •  15
  • These are caused by the gravitational pulls of the sun and the moon on the ocean.
    tides
  •  15
  • Underwater earthquakes, volcanoes and landslides sometimes cause these waves.
    Tsunamis
  •  15