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10 Cards in this Set

  • Front
  • Back
hemisphere
the northern or southern half of the Earth
breaker
when the crest of the wave tumbles over the trough onto land
tsunamis
waves caused by rapid movement of the earth
gravitation
the force that pulls things together
neap tide
tide that occurs when the sun and moon are pulling on the earth at right angles
current
the continuous movement of the ocean water
wave
the up and down movement of the ocean
crest
the highest point of a wave
trough
the lowest point of a wave
tide
the forward and backward movement of the ocean