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Vocabulary Time
What does it mean?
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Question Time
100
Sun and moon are not lined up with Earth and smaller tidal bulge and dip.
What is neap tide
100
a narrow stream of water that breaks through sandbars and drains rapidly back into deeper water.
What is rip current
100
the vertical movement of deep water up to the surface
What is upwelling
100
What is the most plentiful salt in the ocean?
What is sodium chloride
100
How do surface currents control Earth's temperature?
What is carrying warm water away from equator and cool water away from poles
200
the difference in height between high tide and low tide
What is tidal range
200
a disturbance of wind patterns and ocean currents in the Pacific Ocean that causes temporary climate changes in parts of the world
What is El Nino
200
a mass of moving ocean water
What is ocean current
200
what percentage of the earth does the global ocean cover?
What is 71%
200
what is denser saltwater or fresh water?
What is saltwater
300
a system that uses underwater sound waves to measure distance
What is sonar
300
the movement of water from surface to greater depths
What is downwelling
300
a flat or gently sloping land that lies submerged around the edges of a continent and that extends from the shoreline out to the continental slope
What is continental shelf
300
Is more of the coastline covered in high tide or in low tide?
What is high tide
300
what gases are contained within ocean water?
What is oxygen, nitrogen, carbon dioxide
400
a property of matter representing the mass per unit volume
What is density
400
Moon, Sun, earth all line up, resulting in extra-high tidal bulge and extra-low tidal dip
What is spring tide
400
the measure of the amount of dissolved salt contained in water
What is salinity
400
What causes a spring tide?
What is when the moon, sun and earth line up in orbit
400
How often do neap tides occur?
What is 2 times per month
500
currents that move water parallel to the shore
What is longshore currents
500
the periodic rising and falling of the water level of the ocean due to the gravitational pulls of the Moon and Sun.
What is tide
500
What is a trough?
What is a low point of a wave
500
What is transported in upwelling?
What is nutrients
500
What are some advantages of tidal dams?
What is less pollution and renewable energy