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