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Oceans Lesson 2

how the ocean moves

QuestionAnswer
What is the up and down movement of surface water? waves
What are surface waves caused by? wind pushing against the surface of the water
What can the winds of a hurricane cause? storm surge
What is the steady flow of water in a regular pattern in the ocean? Ocean Current
What are the causes of currents? temperature changes, differences in salinity, and wind directions.
What is the warm water Atlantic Ocean current that flows from south to north along the eastern coast of North America? Gulf Stream
The Gulf Stream then moves across the Ocean toward _____________. Europe
What is the rise and fall in the water level of the ocean called? tides
What causes tides? The moon’s gravity pull on the earth
When the sun, moon, and Earth are in a straight line, what does it cause? most dramatic difference in the tides
When the sun, moon, and Earth are in a L-shape, what does it cause? least dramatic difference in the tides
What do waves, currents, and ocean tides mix? large areas of ocean water