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