Relier Pairs Waves, Currents & TidesVersion en ligne 5th Grade Science Unit par Julie Copeland 1 What causes surface currents? 2 Wind 3 What are tides? 4 Crest 5 Current 6 How often do tides occur? 7 What are inlets? 8 What are estuaries? 9 Trough 10 What is a barrier island? 11 Wave 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 movement of Earth and the force and direction of wind. The area where a river meets the ocean The highest part of a wave The lowest part of the wave The regular rise and fall of the waters in oceans and seas. This occurs about twice a day. Water-filled spaces between barrier islands The repeated movement of water up and down Pieces of land surrounded by water on all sides that protect the mainland.
