Marine Science Exam "Tides"

20 Questions | Total Attempts: 120

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Marine Science Quizzes & Trivia

Questions and Answers
  • 1. 
    When spring tides occur, the
    • A. 

      High tides are lower and the low tides are higher

    • B. 

      High tides are lower and the low tides are lower

    • C. 

      High tides are higher and the low tides are higher

    • D. 

      High tides are higher and the low tides are lower

  • 2. 
    When the crest of a tide wave reaches the beach, it will be a 
    • A. 

      Low tide

    • B. 

      High tide

    • C. 

      Spring tide

    • D. 

      Neap tide

  • 3. 
    A tidal cycle is 24 hours and 50 minutes instead of 24 hours because of 
    • A. 

      The gravitational pull of the sun

    • B. 

      The shape and size of bays

    • C. 

      The rotation of the moon around the earth

    • D. 

      The large tidal range caused by spring tides

  • 4. 
    Which of the following does not generally influece tides:
    • A. 

      Depth of the water in a tidal basin

    • B. 

      Shape of the basin

    • C. 

      Precipitation and evaporation

    • D. 

      Weather

  • 5. 
    At low tide on a sunny day, intertidal animals are faced with the following stresses:
    • A. 

      Lack of oxygen to breath

    • B. 

      Possibility of drying out

    • C. 

      Increased temperature

    • D. 

      All of these

  • 6. 
    The tidal range is the greatest when
    • A. 

      The tidal bulges are greatest

    • B. 

      The moon and the sun are in line and acting together

    • C. 

      During spring tides

    • D. 

      All of the above

  • 7. 
    The rhythmic rise and fall of the ocean waters is known as 
    • A. 

      A lunar day

    • B. 

      Ocean tides

    • C. 

      Sea level

    • D. 

      Tidal range

  • 8. 
    An area with one high tide per tidal cycle is called a 
    • A. 

      Diurnal cycle

    • B. 

      Semidiurnal cycle

    • C. 

      Mixed semidiurnal cycle

    • D. 

      Neap tide

  • 9. 
    tidal bulges are caused and affected by 
    • A. 

      The gravitational pull of the moon

    • B. 

      The gravitational pull of the sun and moon

    • C. 

      Centrifugal force

    • D. 

      All of the above

  • 10. 
    If a very low tide occurs at 7:00 pm on may 3rd, what would the tide be called at 10:30pm on may 3rd ?
    • A. 

      Spring

    • B. 

      Incoming

    • C. 

      Diurnal

    • D. 

      Neap

    • E. 

      Outgoing

  • 11. 
    Semidiurnal tides are characterized by 
    • A. 

      Two daily high tides, one higher than the other

    • B. 

      One daily high tide

    • C. 

      Two daily high tides, both of the same approximate hight

    • D. 

      One daily high tide that is always higher than the high tide of the previous day.

  • 12. 
    Dania beach has semidiurnal tides. therefore, the beach will have
    • A. 

      One high tide and one low tide each day

    • B. 

      Two high tides and two low tides every 24 hours and 50 min

    • C. 

      Two unequal high tides every 24 hours and 50 min

    • D. 

      One daily high tide that is always higher than the high tide of the previous day.

  • 13. 
    If low tide occurs at 12:00am on dania beach, the next high tide will occur at approximately..
    • A. 

      12:50 the following day

    • B. 

      12:25 pm

    • C. 

      6:13 am

    • D. 

      6:13 pm

  • 14. 
    A coast in the gulf of mexico experiences diurnal tides. if low tide occurs at 3 pm on monday, when would the next tide occur ?
    • A. 

      9:12 pm Monday

    • B. 

      3:25 am Tuesday

    • C. 

      9:37 am Tuesday

    • D. 

      3:50 pm tuesday

  • 15. 
    Key west has mixed semidiurnal tides. if low tide occurs at 12:00 am on a key west bech, the next high tide will occur at approximately
    • A. 

      12:50 the following day

    • B. 

      12:25 pm`

    • C. 

      6:13 am

    • D. 

      6:13 pm

  • 16. 
    Tides are actually waves
    • A. 

      True

    • B. 

      False

  • 17. 
    During a neap tide, the high tides are lower and the low tides are higher 
    • A. 

      True

    • B. 

      False

  • 18. 
    The wave length of a semidiurnal tide is a quarter of the circumference of the earth
    • A. 

      True

    • B. 

      False

  • 19. 
    Tidal range refers to the distance between the high tide level and low tide level on the beach.
    • A. 

      True

    • B. 

      False

  • 20. 
    Time of tides and tidal ranges on particular coast are generally not very predictable
    • A. 

      True

    • B. 

      False

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