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