Ocean Surface Currents (Slides 1 & 2)
Streamlike movements of water that occur at or near the surface of the ocean are called ______
Surface Currents
Where does the East Australian Current flow?
The East Coast of Australia
When currents meet ________ they change direction
Landforms
What are deep currents?
Stream-like movements of ocean water far below the ocean surface
Waves are made of how many components?
2
The ____ _____ is one of the longest surface currents transports 25 times more water than all of the rivers in the world
Gulf Stream
How fast does the EAC flow?
4.5 MPH
Warm water begin near the ________
Equator
What are deep currents controlled by?
Increases in water density
What are the 2 main components to make a wave?
Crests and troughs
Surface currents are controlled by how many factors?
4
True or false-
The EAC flows Northern from the Great Barrier Reef
False
When currents meet landforms and change direction, it is called _______
Continental deflection
Cold air chills the water molecules at the surface, causing them to ___ _______ ________
move closer together
Ocean waves form because of _______
Friction
Because of the Coriolis Effect, currents in the Northern Hemisphere turn clockwise or counterclockwise
Clockwise
How wide is the current?
100 km
True or false-
Warm water brings cold water to other parts of the ocean
False
Where does denser water flow?
The ocean floor
Mechanical waves are waves that require a ______
Medium
What creates surface currents?
Global winds
How deep is the current?
1.5 km
If Earth's surface were covered only with water, currents would travel in a _____ pattern across the Earth
Fixed
Ocean water gets denser when it gets saltier or _________
Colder
Sound can travel through air, water, or solids, but it can't travel through ________
A vacuum