Ocean Surface Currents
Streamlike movements of water that occur at or near the surface of the ocean are called ______________.
Surface Currents
Finding _____ may have added just a little poetic license to the real ways of the ocean.
Nemo
If _______ surface were covered only with water, currents would travel in a fixed pattern across the _____, but _______ surface is not covered only with water.
Earth´s, earth
____ ________ are stream-like movements of ocean water far below the ocean surface.
deep currents
_____ are made of two main components - crests and troughs.
waves
Surface currents can reach depths of several hundred meters and lengths of _______ ________ kilometers.
several thousand
The ____ Australian Current is not the
fast-flowing warp-tube
east
Surface currents greatly affect the _______ in many parts of the world.
climate
Deep currents are mainly controlled by what?
increases in water density
_____ is a type of wave that moves through matter and then vibrates our eardrums so we can hear.
sound
what is one of the longest surface currents, transports 25 times more water than all of the rivers in the world?
The Gulf Stream
Speeds in the core of the EAC area among the strongest in the South Pacific, up to ____ mph a(n) ______.
4.5, hour
____ _____ currents begin near the equator and carry warm water to other parts of the ocean.
warm water
Cold air chills the water molecules at the surface, causing them to move ______ together.
closer
Waves move in a ________ pattern.
circular
currents in the Northern Hemisphere turn clockwise while currents in the Southern Hemisphere turn counterclockwise because of what?
The Coriolis Effect
The East Australian Current transports a staggering 40 million cubic meters of water southward each _______.
second
____ _____ currents begin closer to the poles and carry cool water to other parts of the ocean. The map below shows the Earth's surface currents.
cold water
Starting at a depth of about 200 meters, the water temperature becomes colder as the what?
depth increases
__________ _____ are waves that require a medium.
Mechanical waves
the rotation of the Earth causes surface currents to move in _______ _______rather than ________ lines.
curved paths, straight
The current is almost ___ km wide, and more than ___ __ deep.
100, 1.5 km
____-_____ currents create cooler climates in coastal areas that would be much ______.
cool-water, warmer
____-dense water always flows on top of denser water.
less
A ___ is defined as a transfer of energy.
wave