Earth Science: Geology, the Environment, and the Universe, New York

Section 3: Ocean Movements


1.	What are wind-driven currents called? Need a Hint?
		A)	spring tides
		B)	density currents
		C)	surface currents
		D)	ocean currents


2.	What is the difference between low and high tide called? Need a Hint?
		A)	tidal range
		B)	neap tide
		C)	full moon
		D)	riptide


3.	What is the source of cold water of Earth's oceans? Need a Hint?
		A)	equatorial seas
		B)	polar seas
		C)	years with long winters
		D)	years with cold temperatures


4.	What determines the speed of waves in deep water? Need a Hint?
		A)	wave height
		B)	direction of waves
		C)	wavelength
		D)	surface currents


5.	Which current shown in the map brings warm water to the east coast of the U.S.? Need a Hint?
		A)	Equatorial Countercurrent
		B)	Gulf Stream
		C)	North Atlantic Current
		D)	Canary Current


6.	When the Moon, Earth, and Sun are aligned, large tidal ranges called __________ occur.
		A)	full tides
		B)	spring tides
		C)	neap tides
		D)	tidal ranges


7.	What do the circles in the figure represent? Need a Hint?
		A)	bubbles
		B)	water movement
		C)	wavelength
		D)	heat energy