vocab
oceanic crust
the portion of the earth's crust that primarily contains of basalt and is relatively dense and thick.
subduction
the downward movement of one plate into the earth's mantle when 2 plates collide
salinity
the total amount of salt dissolved in a solvent
geography of the oceans (order)
pacific, atlantic, indian, arctic
continental crust
the portion of the earth's crust that primarily contains of granite and is less dense than oceanic crust.
continental shelf
the gently sloping area at the base of the continental slope
coriolis effect
the way in which the rotation of the earth that bends the path of winds and resulting sea currents
the layers of the earth
inner core, outer core, mante, crust
plate tectonics
a process involving the movement of large plates on the earth's mantle
continental slope
the steeper section of a continental edge, extending seaward from the continental shelf.
gyres
large mostly circular systems of surface currents driven by the wind
crust?
thinnest layaer, "floats on top of the mantle
mid ocean ridge
a continuous chain of underwater volcanic mountains encompassing the earth
continental rise
the gentle sloping area at the base of the continental slope
spring tide
a time of largest tidal range due to the gravitational pull of the aligned sun and moon
mantle
rock that is near the melting point
seafloor spreading
the process that creates new sea floor as plates move away from each other at the mid-ocean ridges.
specific heat
the amount of energy required to rise the temperature of one gram of a substance by 1.00 degrees celsius
neap tide
a time of smallest tidal range due to the moon and sun being located at right angles to each other
outer core?
liquid iron under less pressure