Two examples of surface currents are the Gulf Stream and the
What does a surface current do when it deflects?
The density of ocean water increases when it
What causes breakers to crash into the ocean floor?
In the open ocean, whitecaps often form
Which type of wave makes for the best sailing on the ocean?
A local rise in sea level near shore caused by hurricane winds is a
Surface ocean currents such as the Gulf stream
Trying to roll a ball across a turning merry-go-round is a demonstration of what happens in the
Compared with surface currents, deep currents are
How do warm-water currents affect the coastal areas along which they flow?
Which statement describes the negative effects of El-Nino?
It is important for scientists to learn as much as possible about El-Nino because the weather pattern
Why do waves increase in height as they approach the shore?
In what direction does an undertow flow?
Which statement describes what is happening at high tide?
Spring tides and neap tides occur in patterns governed by
How do changes in the circulation of ocean currents affect climate?
Which of the following is most likely to spread pollution along the shore?
When do the greatest tidal ranges occur?
How does the Coriolis Effect make ocean currents appear to move?
What happens to an ocean current when it hits a continent?
What happens to water when the air above it gets cold?
What is the lowest point of a wave?
What is the vertical distance between a crest and a trough?
Which continent deflects the Gulf Stream?
What happens if El-Nino damages a coral reef?
How often do tides rise and fall?
Which of these takes exactly 24 h?
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
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
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
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
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
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
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
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
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
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
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
In a river, bay or estuary, a(n) __________________ may cause a sudden tidal rise.
The periodic daily rise and fall of ocean water.
The force that pulls the tides.
Main source of gravity for tides.
Bulge that takes place on parts of Earth facing or opposite the moon.
Forms when water is drawn away from the area between high tides.
Celestial body around which the Earth rotates.
The difference between water levels at low and high tide.
Tides that occur during the new and full moons.
Tides that occur during the first and third quarters of the moon.
A body of water that rushes into a narrow bay and causes a very sudden tidal rise.