Marine Science Exam "Tides"
- 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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