Crest
What are estuaries?
What are tides?
What are inlets?
Wind
How often do tides occur?
Current
What causes surface currents?
Wave
What is a barrier island?
Trough
The movement of Earth and the force and direction of wind.
The cause of most waves to form
Flowing streams of water that move along a curved path through the ocean in a specific direction
The regular rise and fall of the waters in oceans and seas.
Pieces of land surrounded by water on all sides that protect the mainland.
The area where a river meets the ocean
This occurs about twice a day.
The lowest part of the wave
Water-filled spaces between barrier islands
The repeated movement of water up and down
The highest part of a wave
