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5 Written questions

5 Matching questions

  1. Surging Wave
  2. Lunar Day
  3. Tidal Datum
  4. Flood Current
  5. Constructive interference
  1. a The addition of wave energy as waves meet producing larger waves.
  2. b A wave that surges ashore without breaking.
  3. c water rushing into an enclosed area because of the rise in sea level as a tide crest approaches
  4. d 24 hours 50 mins
  5. e The reference level (0.0) from which tidal height is measured.

5 Multiple choice questions

  1. Low water position corresponding to a tidal trough
  2. is the difference in height between successive high and low tides
  3. The slowest moving waves.
  4. Surface currents are powered by the sun and ______________
  5. Waves with ___________ wavelengths move the fastest.

5 True/False questions

  1. EasternThese boundary currents are shallow and broad with boundaries that are not well defined.


  2. WesternThese boundary currents move warm water from the equator towards the poles.


  3. CounterclockwiseWhich direction do gyres flow in the Southern hemisphere?


  4. Standing WaveA breaking wave whose crest slides down the face of the wave.


  5. TransverseEddies do not tend to form in these boundary currents.