Ocean Surface (1 &2)
Streamlike movements of water that occur at or near the surface of the ocean are called ______
Surface Current
The East Australian Current transports a staggering______?
40 million cubic meters of water southward each second.
If Earth's surface were covered only with water Currents would travel in a ______.
Fixed pattern across the Earth.
Deep currents are stream-like movements Ocean water far below the ______?
ocean surface.
Waves are made of two main components ______?
crests and troughs.
How do surface currents flow like rivers in ________
Distant patterns
The current is almost 100 km wide, and more than ______?
1.5 km deep – in fact, more like a ribbon than a tube.
When currents meet landforms they ______?
change direction.
Stream-like movements of ocean water far below the ocean surface ______.
Deep currents
Wave height is the vertical distance _____.
between a wave's crest
Surface currents are controlled by _______
global winds, the Coriolis effect,
continental deflections, and the water
temperature.
The real East Australian Current is much bigger______?
And much wilder than in the movie.
Coldwater currents begin closer to the poles and carry______?
Cool water to other parts of the ocean.
The denser water moves along the ocean floor and eventually travels toward the equator in the form of a ______.
Deep current
A crest is the highest point and the trough is the ____
lowest point.
Surface currents can reach depths of several hundred meters and lengths of
several thousand kilometers.
16,000 Olympic swimming pools flowing along _____.
Our coastline, every second.
When currents meet landforms ______?
They change direction.
Cold air chills the water molecules at the surface causing them to _____.
move closer together.
Sound is a type of _____ that moves through matter and then vibrates our eardrums so we can hear.
wave
currents in the Northern Hemisphere turn clockwise
while currents in the Southern Hemisphere turn counterclockwise.
The strongest in the South Pacific, up
to _____.
4.5 mph an hour.
Warm water currents are shown in ______?
Red and cold water currents are shown in blue.
Starting at a depth of about 200 meters, the water temperature becomes ____.
colder as the depth increases.
You can drop a rock into a pond and see _____.
waves form in the water.