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