Topography
Area where ocean plate slides below continental plate; created by subduction
trench
Type of plate boundary that produces a trench
Convergent boundary
Currents that flow from the equator are always__.
Warm
Tides are caused this.1
Gravitational pull of the moon (and sun). But the moon has a greater effect, since it is closer!
Waves are caused by this
Wind blowing across the water
Steep area that is part of the continental margin
Continental Slope
Type of plate boundary that produces a large mid-ocean ridge that circumnavigates the earth
divergent boundary
Currents that flow from the poles are always___
Cool
When the sun, earth, & moon make a ninety-degree angle we have these tides.
Neap tides (low high & high low tides)
Tsunamis are caused by this
Earthquakes or volcanic eruptions under the ocean. Remember they have nothing to do with tides!
Flat area in the deep ocean basin
Abyssal Plain
Type of plate boundary where shearing/sliding occurs, therefore creating lots of earthquakes
Currents are caused by differences in _________
(Temperature or salinity differences create density differences.)
When the sun, moon, & earth are in a straight line, we have these tides.
Spring tides (highest high tides/lowest low tides)
The highest point of a wave
Crest
Active undersea volcano with a rounded top
Seamount
Type of plate boundary that is found around much of the Ring of Fire
Convergent boundary
Gyres in the northern hemisphere flow this direction due to the Coriolis Effect.
Clockwise
Moon phases in which the high tides are highest & low tides are lowest
Full & New Moons
The lowest point of a wave
Trough
Inactive undersea volcano with a flat top
guyot (pronounced gee-oh)
Type of plate boundary the runs down the middle of the Atlantic Ocean causing it to get bigger
Divergent Boundary
Currents in the southern hemisphere always flow this direction due to the Coriolis Effect.
Counter-clockwise
Moon phases in which the tidal range does change much
The distance between the crests (or troughs)
Wavelength