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Waves and Tides

Waves and Tides. Waves. Movement of energy through body of water Most form when wind blows across waters surface Waves. Wave characteristics. Wave Action. Starts in open ocean, why? What affects the size of the wave? Strength of wind Duration of wind Distance wind blows Wave Motion

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Waves and Tides

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  1. Waves and Tides

  2. Waves • Movement of energy through body of water • Most form when wind blows across waters surface • Waves

  3. Wave characteristics

  4. Wave Action • Starts in open ocean, why? • What affects the size of the wave? • Strength of wind • Duration of wind • Distance wind blows • Wave Motion • Surf • Where would you find a longer wavelength?

  5. Wave changes • How do waves change from open ocean to shore?

  6. Wave Changes • Wave height: Increases • Pushes on ocean floor • Wavelength: Decreases • Wave Speed: Decreases

  7. Tsunamis • Created by earthquakes on the ocean floor • Tsunami wave • How could a ship off shore not be affected by a tsunami wave?

  8. Waves: Affecting the shore • Ability to build and destroy • Longshore drift • Building sandbars • Rip currents: flow of water back to the ocean

  9. Tides • Tides

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