Currents
What main factor is powering surface currents?
The wind
What direction should you swim if you get caught in a rip current?
Parallel to the beach.
Describe deep ocean currents
colder and more dense than surface currents
Carries warm water to areas that would normally be cold, thus warming their climates.
What is a warm-water surface current?
What force moves sand down the beach?
Longshore drift
What is the warm current that moves north up the East Coast of the United States?
Gulf Stream
What powers deep sea currents?
Density and temperature differences. (Thermohaline circulation)
What is the main cause of the large type of wave that can cause millions of dollars of damages and floods a large area?
An earthquake