Show:
Ocean Floor Features
Composition of Seawater
The Vast World Ocean
Diversity of Ocean Life
Waves and Tides
100
gently sloping surface at the base of the continental slope
What is continental rise
100
total amount of solid material dissolved in water
What is salinity
100
How much of Earth's surface is covered in water?
What is 71%
100
all organisms that drift with ocean currents
What is plankton
100
the time it takes one full wave to pass a fixed position
What is wavelength
200
isolated volcanic peaks
What is seamounts
200
layer of ocean water between 300 meters and 1000 meters where there is a rapid change of temperature with depth
What is thermocline
200
Acronym for sound navigation and ranging
What is sonar
200
all animals capable of moving independently of the ocean currents
What is nekton
200
distance that the wind has traveled across the open water
What is fetch
300
What forms at the sites of plate convergence?
What is trenches
300
two main factors that influences seawater density
What is salinity and temperature
300
Measurement of ocean depths and the charting of the shape of topography of the ocean floor
What is bathymetry
300
describes organisms living on or in the ocean bottom
What is benthos
300
tides that have the greatest tidal range due to the alignment of the Earth-moon-sun system
What is spring tides
400
gently sloping submerged surface extending from the shoreline
What is continental shelf
400
layer of ocean water between 300 meters and 1000 meters with rapid change of density of depth
What is pycnocline
400
Underwater crafts used to navigate the oceans
What is submersibles
400
upper part of the ocean into which sunlight penetrates
What is photic zone
400
tides that have the lowest tidal range, occurring near the times of the first-quarter and third-quarter phases of the moon
What is neap tides
500
How are the sediments carried to the abyssal plains?
What is turbidity currents
500
the three-layered structure in most parts of the open ocean
What is shallow surface, transition zone, and deep zone
500
How do satellites measure small difference
What is bouncing microwaves
500
the three factors used to divide the ocean into distinct marine life zones
What is availability of sunlight, distance from shore, and water depth
500
what results because of eroding, transporting, and depositing sediment from the waves along the shoreline
What is shoreline features