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Week 7

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    Tsunamis
  •   Study   Slideshow
  • What is the connection between earthquakes and tsunamis?
    If big enough and close enough to the ocean floor, the energy from such an earthquake can cause the ocean floor to suddenly rise (uplift) or fall (subside).
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  • What is the longest that a chicken has lived without a head? 2 weeks, 9 months, 18 months.
    18 months! in America in the 1940s.
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  • Name all of the planets.
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
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  • What determines the speed of a tsunami?
    Ocean depth rather than the distance from the source of the wave.
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  • Why do oceanographers not refer to tsunamis as tidal waves?
    Because tides have little to do with these giant waves.
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  • What are the characteristics of earthquakes that impact a tsunami?
    Key earthquake characteristics that contribute to tsunami generation are location, magnitude (size), and depth.
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  • Draw and label a diagram of a tsunami.
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  • What slows a tsunami down?
    When it reaches shallow water.
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  • What magnitude must an earthquake reach to generate a dangerous tsunami?
    8.0+
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