Floor
Features
Salty
Schmalty
Don’t
Zone
Out!
Waves &
Currents
I’m an Oceans
Genius 
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A gently sloping shelf
of land extending from
the shoreline to the
continental edge
(covered by shallow
water)
Continental
Shelf
A gently sloping hill that
connects the continental
slope to the ocean floor.
This is also where
sediments are deposited.
Continental
Rise
Valleys cut deep into
the ocean floor
Trenches
A chain of high
elevation
found where
the Earth is
shifting
Mid-ocean
ridges
Identify 3
characteristics
of an abyssal
plain.
Flat, deep, cold,
dark, little to no
life/plants, covers
most of the ocean,
smoothest place on
Earth
What is the
percent of salt in
ocean water
called?
Salinity
True or False
Ocean water is not
made up of pure
water.
True
Compare the
salinity of ocean
water and fresh
lake water.
Ocean water is
salty, but lake
water is fresh
water.
As the depth of the
ocean increases,
what happens to
the salinity level?
Increases
What happens to
the salinity level
of the ocean
when it is near an
area that has
severe drought?
Salinity level
increases
because water
evaporates
This zone has
very few signs of
life due to
crushing
pressure.
Abyssal
zone
The water in this
zone is pitch black,
with the only light
coming from
creatures that live
there.
Midnight
Zone
The sun’s light
grows faint, so no
plants can grow
here.
Twilight
Zone
This zone is a
great place for
plants, algae,
and fish to
live.
Sunlight Zone
Describe 3
physical
changes related
to ocean depth.
1.
2.
3.
4.
5.
Temperature
Amount of Light
Pressure
Salinity
Animal/Plant Life
Currents are
massive flows of
water, like
___________ in the
seas.
Rivers
Do currents
move warm
water towards
the Equator or
away from the
Equator?
Away
Can currents
affect land
climate?
Yes
Identify 3
causes of
currents.
1. Wind
2. Temperature Change
3. Spinning of the Earth
A ______ is the up and
down movement of
surface water and
does not move water
forward.
wave
Name the 3
different types of
currents.
1. Surface
2. Shoreline
3. Rip
True or False
The zones in the
ocean are based
upon the amount of
marine life that live
there.
False
(Based on the
amount of light
received)
A self contained
underwater
breathing apparatus
is also known as
___________ to divers.
SCUBA
Name one way
waves and currents
help, as well as
hurt, the shore.
Help—deposit beach
materials along the
coast, including
beaches
Hurt/harm—erode the
shoreline
Oceans cover
what percentage
or fraction of the
Earth’s surface?
¾
75%