-Choose the correct answer by clicking on your answer choice. Only one answer is correct. (2 pts. each)
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COMPLETION
-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 30
30.
Although they flow near the top of the ocean, _______________________ can reach depths of several hundred meters.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 31
31.
Although they flow near the bottom of the ocean, ____________________ sometimes flow on top of other currents.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 32
32.
The negative effects of _________________ include flashfloods, mudslides and droughts.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 33
33.
The _____________ is used to measure wave periods and therefore wave speed.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 34
34.
The difference between levels of ocean water at high tide and low tide is called a(n) _____________________.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 35
35.
A measurement of the time between two waves is called a(n) _____________________.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 36
36.
Waves that build up then crash into the ocean floor are called ________________________.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 37
37.
Huge waves called ________________ are caused by underwater earthquakes, volcanic eruptions and landslides.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 38
38.
The most important force that creates tides is the gravity of the ______________.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 39
39.
Neap, spring, high and low are all types of ________________.
Word Bank
Coriolis Effect El Nino tides La Nina tsunami wavelength deep currents
surface currents tidal range upwelling breakers moon tidal bore wave period wave height tsunamis Bay of Fundy sun
Question 40
40.
In a river, bay or estuary, a(n) __________________ may cause a sudden tidal rise.
MATCHING
-Complete the following matching questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)
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Do NOT forget to turn in this assignment on Google Classroom after you have submitted it here! No credit will be awarded for unsubmitted assignments.
Two examples of surface currents are the Gulf Stream and the
A. Brazil Current.
B. Antarctic Bottom Water.
C. Coriolis Effect.
D. North Atlantic Deep Water.
What does a surface current do when it deflects?
A. gains speed
B. moves toward cold water
C. meets another ocean current
D. changes direction
The density of ocean water increases when it
A. joins the Gulf Stream.
B. gets colder.
C. gets warmer.
D. turns to ice.
What causes breakers to crash into the ocean floor?
A. deep-water waves
B. gravity
C. short wavelengths
D. shore currents
In the open ocean, whitecaps often form
A. in places close to the shore.
B. during storms.
C. in warm-water currents.
D. after swells go by.
Which type of wave makes for the best sailing on the ocean?
A. whitecaps
B. tsunamis
C. breakers
D. swells
A local rise in sea level near shore caused by hurricane winds is a
A. tsunami.
B. whitecap.
C. storm surge.
D. breaker.
Surface ocean currents such as the Gulf stream
A. move warm water from higher latutudes to lower latitudes.
B. transport many times more water than all the rivers in the world.
C. are formed in parts of the ocean where water density is great.
D. move in straight paths across the oceans.
Trying to roll a ball across a turning merry-go-round is a demonstration of what happens in the
A. movement of global winds across the surface of the ocean.
B. flow of currents and countercurrents at the equator.
C. Coriolis Effect.
D. deflection of a current against a continent.
Compared with surface currents, deep currents are
A. colder and less dense.
B. warmer and less dense.
C. warmer and denser.
D. colder and denser.
How do warm-water currents affect the coastal areas along which they flow?
A. They create greater rainfall along the coast.
B. They create unusually cool climates for the latitude.
C. They create unusually warm climates for the latitude.
D. They make the coastal climate cooler than the inland climate.
Which statement describes the negative effects of El-Nino?
A. El-Nino appears every 2 to 12 years.
B. Rain, flashfloods and mudslides occur in places where there is usually little rain, while usually wet areas suffer from drought.
C. Sometimes El-Nino is followed by La-Nina, during which ocean temperatures become cooler.
D. Upwelling along the coast of South America occurs after an El-Nino.
It is important for scientists to learn as much as possible about El-Nino because the weather pattern
A. has so far been completely unpredictable.
B. affects North America more than any other continent.
C. has so many effects on organisms on land.
D. can only be studied out in the open ocean.
Why do waves increase in height as they approach the shore?
A. The waves are forced into narrow inlets of land.
B. The water particles speed up as they approach land.
C. The water's density decreases because it's warmer near the shore.
D. The waves begin to interact with the ocean floor.
In what direction does an undertow flow?
A. in the same direction of the wave
B. at right angles to the wave
C. in the opposite direction as the wave
D. parallel to the wave
Which statement describes what is happening at high tide?
A. The moon is revolving more quickly than the Earth is rotating.
B. The moon's gravity is dragging water away from the Equator.
C. The moon's gravity is pulling ocean water into a bulge.
D. The sun's gravity pulls with more force than the moon's gravity.
Spring tides and neap tides occur in patterns governed by
A. changes in the force of the Earth's gravity.
B. the type of ocean currents near where the tides occur.
C. whether the gravity of the sun or moon exerts a stronger pull.
D. the relative positions of the Earth, moon and sun system (the phases of the moon).
How do changes in the circulation of ocean currents affect climate?
A. by changing the atmosphere
B. by moving water clockwise
C. by increasing salinity
D. by changing the tides
Which of the following is most likely to spread pollution along the shore?
A. upwelling
B. breaker
C. undertow
D. longshore current
When do the greatest tidal ranges occur?
A. spring tides
B. neap tides
C. high tides
D. low tides
How does the Coriolis Effect make ocean currents appear to move?
A. back and forth
B. in a curved path
C. clockwise
D. against the Earth's rotation
What happens to an ocean current when it hits a continent?
A. It changes direction.
B. It moves toward the poles.
C. It moves toward the Equator.
D. It speeds up.
What happens to water when the air above it gets cold?
A. It evaporates.
B. It gets denser.
C. It moves faster to stay warm.
D. Its salinity increases.
What is the lowest point of a wave?
A. crest
B. trough
C. wave height
D. wavelength
What is the vertical distance between a crest and a trough?
A. crest
B. trough
C. wave height
D. wavelength
Which continent deflects the Gulf Stream?
A. North America
B. South America
C. Africa
D. Asia
What happens if El-Nino damages a coral reef?
A. The ocean water gets warmer.
B. Fish that depend on the reef die.
C. The ocean water gets cooler.
D. The reef supports more diversity of life.
How often do tides rise and fall?
A. once a day
B. twice a day
C. every 14 days
D. every 24 h, 50m
Which of these takes exactly 24 h?
A. one rotation of the Earth
B. one revolution of the moon around the Earth
C. one period between two high tides
D. one period between two full moons
The periodic daily rise and fall of ocean water.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
The force that pulls the tides.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Main source of gravity for tides.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Bulge that takes place on parts of Earth facing or opposite the moon.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Forms when water is drawn away from the area between high tides.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Celestial body around which the Earth rotates.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
The difference between water levels at low and high tide.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Tides that occur during the new and full moons.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
Tides that occur during the first and third quarters of the moon.
A. gravity
B. high tide
C. low tide
D. moon
E. neap tide
F. spring tide
G. sun
H. tidal bore
I. tidal range
J. tides
A body of water that rushes into a narrow bay and causes a very sudden tidal rise.