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Waves, Tides, And Currents
Test Description: Waves, tides and currents
Instructions: Answer all questions to get your test result.
1) According to the conveyor belt model of ocean circulation, what happens when water reaches the poles?
A
The temperature of the water increases.
B
The density of the water decreases.
C
The salinity of the water decreases.
D
The salinity of the water increases.
2) In addition to salinity, what factor affects the density of seawater?
A
depth
B
latitude
C
temperature
D
salt content
3) Ocean currents that move toward the poles are ____.
A
cold in the Northern Hemisphere and warm in the Southern Hemisphere
B
cold
C
warm
D
warm in the Northern Hemisphere and cold in the Southern Hemisphere
4) The Gulf Stream affects the climate of ____.
A
Africa
B
California
C
Alaska
D
Great Brittain (England)
5) The horizontal distance between two successive crests is called the ____.
A
wave height
B
wavelength
C
fetch
D
wave period
6) The movement of water along the shore is called a____.
A
tidal current
B
salinity current
C
longshore current
D
beach drift
7) When is the daily tidal range greatest?
A
spring tide
B
ebb tide
C
neap tide
D
flood tide
8) Which of the following is NOT associated with upwelling?
A
vertical water movements
B
horizontal water movements
C
increased plankton population
D
increased nutrients at the ocean surface
9) Which of the following best describes the ocean bottom?
A
cold
B
dark
C
all of these
D
high pressure
10) What term describes organisms that live on or in the ocean floor?
A
pelagic
B
benthos
C
nekton
D
plankton
*select an answer for all questions
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