Ayyyeeee
Oceans cover more than ____ of the Earth's surface.
70%
Highest point of a wave.
Crest
The portion of the Earth's surface that is covered by water is called the ___.
Hydrosphere
Gigantic waves that typically form due to an earthquake or volcanic explosion.
Tsunami
Huge chunks of floating glacial ice.
Icebergs
True or false: Water's natural color is revealed when water is found in larger quantities.
True
Deepest known point in the ocean.
Challenger Deep
Because of seawater's salinity, the freezing point is ___.
28.8oF
On average, the salinity of seawater is ____.
3.5%
About 78% of the salt in the ocean is ____.
Sodium Chloride (table salt)
The Earth's rotation influences surface currents so that they move in a circular path called a ___.
Gyre
The surface temperature of the ocean in polar regions is ___.
28o
Floating observation stations that automatically take measurements and transmit data to oceanographers.
Buoys
True or false: Air pressure increases much more rapidly than water pressure.
False
Foamy crest of a wave.
Whitecap
What do we call pressure from the weight of water?
Hydrostatic Pressure
These types of tides experience one high tide and one low tide each day.
Diurnal Tides
North Carolina and most of the eastern coast of the U.S. have ____ tides.
Semidiurnal Tides
Another name for deep ocean currents.
Subsurface Currents
Surface currents in the ocean are usually limited to the first ___ ft below the surface.
1300 ft
A type of current when mud or silt mixes with seawater.
Turbidity Current
Unmanned submersibles that are able to operate without any outside guidance or help.
AUV (Autonomous Underwater Vehicles)
The region where cold, deep water meets the sun-warmed, near surface water is called the ___.
Thermocline
Weighted bottles that help study the direction and speed of an ocean current.
Drift Bottles
This gently sloped region may stretch away from the continental slope for up to 50 miles on average.
Continental Rise