Water of the Seas
The portion of the hydrosphere that covers 70% of the earth's surface.
Oceans
Large streams of ocean water that flows at or below the surface.
Ocean currents
The deep depression in the earth's surface that contain the oceans
Submersibles
The two factors that determine the density of seawater.
Salinity and temperature
The study of the Earth's oceans.
Oceanography
An upward flowing current, usually rich in nutrients
Upwelling
A sandy, gently sloping underwater plain along the coast.
Continental shelf
A floating observation station that takes and transmits measurements
Oceanographic Buoys
A narrow channel of rapid water through a break in a sandbar
Rip current (tide)
The measure of dissolved salt in seawater.
A current that flows in the opposite direction near the surface current.
Counter current
A level plain where the ocean floor levels off around 2.8 miles down.
Abyssal Plain
Plastic tubes on weighted line used to analyze seawater
Niskin bottles
Large waves formed by underwater disturbances
The region where cold, deep water meets sun warmed surface water
Thermocline
White foamy crests on waves due to strong winds
Volcanic mountains rising from the sea floor
Seamounts
Gravity corer
The regular movement of ocean water caused by gravity
What forms when saltwater freezes.
Sea Ice
A wave with a white crest
Breaker
Huge muddy valleys that cut through the abyssal plain
Uses sound to determine size, distance and direction of objects.
Sonar
Where does most sea life live?
The Continental Shelf
Huge chunks of floating ice
Iceberg
A current that flows as a thin sheet along the sea floor
Undertow
Underwater mountain ranges
Mid-ocean ridges
What SCUBA stands for.
Self contained breathing apparatus
What is the deepest point in the sea
Challenger deep or Mariana trench.