Marine Science Mid-Term Exam UPDATED
ACTUAL Exam Questions and CORRECT
Answers
The Gulf of Mexico experiences this type of tidal pattern- 1 high tide and 1 low tide a day. -
CORRECT ANSWER - Diurnal Tide
The weakest tides produced twice each month. Occuring during the 1st and 3rd quarter phases of
the moon, when the Earth,moon, and sun are at right angles to each other. - CORRECT
ANSWER - Neap Tide
East coast experiences this type of tidal pattern - 2 high tides and 2 low tides a day - CORRECT
ANSWER - Semidiurnal Tides
A large mass of continuously moving ocean water is known as a ... - CORRECT
ANSWER - Ocean Current
The highest and lowest tides produced twice each month, when the Earth,moon, and sun are
aligned. Occur during the full moon and new moon. - CORRECT ANSWER - Spring Tide
the west coast experiences this type of tidal pattern - 2 high tides and 2 low tides a day, with the
first set of tides being stronger than the second set. - CORRECT ANSWER - Mixed Tides
The daily rise and fall of the ocean as seen along the shoreline - CORRECT ANSWER -
Tides
The up and down movement of the ocean surface caused by wind. - CORRECT
ANSWER - Waves
The returning of water from a wave that breaks on the beach is known as ... - CORRECT
ANSWER - Undertow
, A rush of water out to seas, caused by a sandbar breaking. - CORRECT ANSWER - Rip
Current
A current that moves parallel to the beach, produced by waves breaking at an angle to the
shoreline - CORRECT ANSWER - Longshore Current
The movement of beach sand along the shore, pushed by waves and currents - CORRECT
ANSWER - Littoral Drift
What is the average salinity of the ocean? - CORRECT ANSWER - 36 ppt
Which instrument is used to measure salinity? - CORRECT ANSWER - Refractometer
What is the salinity reading for our area, around Bay St. Louis and the Mississippi Sound? -
CORRECT ANSWER - Around 17 ppt
A drastic salinity change that occurs in water; forms a boundary between salty water and less
salty water - CORRECT ANSWER - Halocline
What is the average pH of the ocean? - CORRECT ANSWER -8
Mass per unit volume (The amount of "Stuff" dissolved in water) - CORRECT ANSWER -
Density
How clear or murky the water is, would be referring to ... - CORRECT ANSWER -
Turbidity
Ocean Water is ... - CORRECT ANSWER - Slightly Basic
ACTUAL Exam Questions and CORRECT
Answers
The Gulf of Mexico experiences this type of tidal pattern- 1 high tide and 1 low tide a day. -
CORRECT ANSWER - Diurnal Tide
The weakest tides produced twice each month. Occuring during the 1st and 3rd quarter phases of
the moon, when the Earth,moon, and sun are at right angles to each other. - CORRECT
ANSWER - Neap Tide
East coast experiences this type of tidal pattern - 2 high tides and 2 low tides a day - CORRECT
ANSWER - Semidiurnal Tides
A large mass of continuously moving ocean water is known as a ... - CORRECT
ANSWER - Ocean Current
The highest and lowest tides produced twice each month, when the Earth,moon, and sun are
aligned. Occur during the full moon and new moon. - CORRECT ANSWER - Spring Tide
the west coast experiences this type of tidal pattern - 2 high tides and 2 low tides a day, with the
first set of tides being stronger than the second set. - CORRECT ANSWER - Mixed Tides
The daily rise and fall of the ocean as seen along the shoreline - CORRECT ANSWER -
Tides
The up and down movement of the ocean surface caused by wind. - CORRECT
ANSWER - Waves
The returning of water from a wave that breaks on the beach is known as ... - CORRECT
ANSWER - Undertow
, A rush of water out to seas, caused by a sandbar breaking. - CORRECT ANSWER - Rip
Current
A current that moves parallel to the beach, produced by waves breaking at an angle to the
shoreline - CORRECT ANSWER - Longshore Current
The movement of beach sand along the shore, pushed by waves and currents - CORRECT
ANSWER - Littoral Drift
What is the average salinity of the ocean? - CORRECT ANSWER - 36 ppt
Which instrument is used to measure salinity? - CORRECT ANSWER - Refractometer
What is the salinity reading for our area, around Bay St. Louis and the Mississippi Sound? -
CORRECT ANSWER - Around 17 ppt
A drastic salinity change that occurs in water; forms a boundary between salty water and less
salty water - CORRECT ANSWER - Halocline
What is the average pH of the ocean? - CORRECT ANSWER -8
Mass per unit volume (The amount of "Stuff" dissolved in water) - CORRECT ANSWER -
Density
How clear or murky the water is, would be referring to ... - CORRECT ANSWER -
Turbidity
Ocean Water is ... - CORRECT ANSWER - Slightly Basic
