Ocean Surface Currents
Streamlike movements of water that occur at or near the surface of the ocean
Surface Currents
What current are they riding in the movie
The East Australian current
Currents would travel in a ____ pattern across the Earth
Fixed
What is a Deep current
A stream-like movements of ocean water far below the ocean surface
What are the two main components of waves
Crests and troughs
The Gulf Stream, which is one of the longest surface currents, transports ___ times more water than all of the rivers in the world
25
The East Australian Current does flow along the....
East coast of Australia
When currents meet landforms, they change direction, This is known as
continental deflection
Deep currents are mainly controlled by....
Increases in water density
A Wave height is the....
Vertical distance between a waves crest and its trough
The rotation of the Earth causes surface currents to move in ______ rather than _____lines
1. Curved paths 2. Straight
Speeds in the core of the EAC are among the ______ the South Pacific
Strongest
Warm water currents begin near the ____ and carry ____ water to other parts of the ocean
1. equator 2. warm
Ocean water gets ______ when it becomes saltier or gets colder
Denser
A crest is the _____ point and the trough is the _______ point.
1. Highest 2. lowest
Surface currents are controlled by four factors
global winds, the Coriolis effect, continental deflections, and the water temperature
The current is almost ____ wide, and more than ____ deep
1. 100 km 2. 1.5 km
What type of water current is Iceland and San Francisco
Iceland is a warm-water current, and San Francisco is a cold water-current
Starting at a depth of about _______, the water temperature becomes _______ as the depth increases
1. 200 meters 2. Colder
What is a Mechanical wave
It's a medium, This means that they have to have some sort of matter to travel through.
currents in the Northern Hemisphere turn _______ while currents in the Southern Hemisphere turn ____________
1. Clockwise 2. Counterclockwise
The East Australian Current transports staggering _________ cubic metres of water southward each second
40 Million
What changes in the atmosphere that disrupts the climate in many parts of the world
Surface currents warm and some cool coastal areas year-round
The denser water moves along the ocean floor and eventually travels toward the _____ in the form of a deep current
Equator
What is an example of an mechanical wave
Sound