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