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