The Oceans 15-1
Seawater 15-2
Ocean Movements 15-3
Vocabulary
Misc
100
the scientific study of Earth's oceans
What is oceanography
100
approximate amount of dissolved salts in seawater
What is 3.5 percent
100
what geometric pattern does water move in within a wave
What is circular
100
the level of the oceans surfaces
What is sea level
100
percentage of the Earth's surface covered by oceans
What is 71 percent
200
method used to map large portions of the sea floor
What is side-scan sonar
200
form of geologic evidence that indicates salinity of ancient seas was not much different from today
What is sea shells
200
the transitional layer which is characterized by rapidly decreasing temperatures with depth
What is thermocline
200
the percentage of seawater that is made up of water
What is 96.5 percent
300
the most highly accepted theory of where Earth's water came from
What is volcanism
300
depth at which photosynthesis ceases to occur
What is 100 m
300
wave heights depend upon
What is wind speed, wind duration and fetch
300
the measure of the amount of dissolved salts in seawater
What is salinity
300
tides that are twice as high as solar tides
What is Lunar tides
400
amount of Earth's water that is contained in freshwater forms such as frozen ice caps, rivers, lakes and undergrounds sources
What is 3 percent
400
the densest and coldest water mass exists where
What is Antarctic Bottom Water
400
the expanse of water that the wind blows across
What is fetch
400
the highest point of a wave
What is crest
400
caused by the gravitational attraction among Earth, the Moon and the Sun
What is tides
500
smaller than oceans and partly or mostly land-locked
What is seas
500
natural occurences that add salt to seawater
What is volcanic eruptions and the weathering and erosion of rocks
500
the highest level to which water rises
What is high tide
500
collapsing waves otherwise known as
What is breaker
500
deep currents generated by salinity and temperature differences
What is density currents
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