Ocean surface currents
Surface currents can reach depths of several hundred ______.
Meters
True or False:The east Australian current is a narrow jet that you can jump in and out of as much as you would like.
False
Is earths surface only covered with water?
No
What are currents mainly controlled by?
Increases in water density.
What are the two main components of a wave?
Crests and troughs.
______ _____ blowing across the earths surface create surface currents.
Global winds.
The east Australian current transports a staggering __ ______ cubic meters of water southward each second.
40 Million.
When currents meet land forms, do they change direction?
yes
Does ocean water get less dense or more dense when it becomes saltier or colder?
More dense
Is the crest the highest point or lowest point?
highest
Surface currents flow like rivers in _______ ________ around the earth.
Distant Patterns.
Is the east Australian current much bigger or smaller than the one in the show "Finding Nemo" ?
It is much bigger than the movie.
When currents meet land forms and they change direction what is it called?
Continental deflection.
True or false:Cold air chills the water molecules at the surface causing them to move farther apart.
false
What is the wave length?
The distance between two adjust crests or troughs.
What are the 4 factors controlled by surface currents?
global winds, the Coriolis effect, continental deflections, and the water temperature.
The current is almost ___ km wide.
100
Warm water currents begin near the _______ and carry ____ other parts of the ocean.
Equator
............................................................................
Warm
The water temperature becomes ______ as the depth increases.
colder
What is Wave height?
The vertical distance between a waves crest and its trough.
What is one of the longest surface currents?
Gulf Stream.
Is the East Australian current more like a ribbon or more like a long tube throughout the water?
Long tube.
Do surface currents affect the climate?
Greatly affect the climate.
True or false: The denser water moves along the ocean floor or above the ocean floor?
ocean floor
What is the type of wave that moves through matter and then vibrates our eardrums so we can hear?
Sound