Download Oceans 11 Ocean Floor Model

Oceans 11 Ocean Floor Model
Vocabulary
Name: Alex Pardy
Term
Description
Abyssal Hill
A small elevated
landform, found only in
deep seas, at the edges of
Abyssal Plains
Abyssal Plains
A fairly flat area of the
ocean floor,
Atoll
An Atoll is a ring shaped
coral reef, or a chain of
coral islands, that enclose
or nearly enclose lagoons
A bay is a place where
land curves inward
Bay
Continental Shelf
Continental Slope
Area of seabed around a
large landmass where the
sea is shallow compared
to the open ocean
It is the slope between
the outer edge of the
continental shelf, and the
deep ocean floor.
Contour Line
Is the line on a map, that
joins points of equal
height above or below
sea level
Guyot
It is a seamount with a
flat top.
Examples/Pictures
Island
A piece of land that is
surrounded by water
Island Arc
A curved chain of
volcanic islands that are
located at a tectonic plate
margin
A subsea chasm
extending along the crest
of a mid-ocean ridge,
locus of the magma
upwellings that
accompany seafloor
spreading.
A submarine mountain
Rift Valley
Seamount
Subduction Zone
Submarine Canyon
This is a convergent
plate boundary where
one plate is subducted
beneath another,
normally because it’s
denser
A narrow, steep-sided
valley cut into a
continental slope
Trench
A Large, large, Narrow,
ditch that is formed
under the water by the
movement of divergent
plates.
Mid-Ocean Ridges
This is an active
submarine ridge system
that is situated in the
middle of an ocean basin,
and it marks the site of
the upwelling of magma
that is associated with
seafloor spreading.