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# Tidal Wave

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### Tidal Wave

1. 1. Tidal Power<br />By: Katie Thomas (The Scientist)<br />
2. 2. Tidal Barrage Power<br />A huge barrage is built (much bigger than a hydro-electric dam)<br />As the tide goes in and out, water moves through barrage which turns turbines <br />At low tide (when there aren’t many waves) the water behind the dam gets released and turns a turbine = electricity!<br />Basically, the barrage uses the tidal waves to generate power and stores the rest of the water until it’s needed<br />
3. 3. Diagram of Barrage<br />1. Water comes in here<br />2. Water gets held for later use<br />3. When the tide gets low, the stored water is let out to turn the turbines<br />
4. 4. Real Tidal Barrage in France<br />
5. 5. Tidal Stream Power<br />This type is like Tidal Barrage Power<br />It uses ocean currents to generate electricity (great for islands or coasts with fast currents)<br />It can use tidal fences (stretch across) or tidal turbines (like underwater wind turbines) to generate <br /> The up and down movement of water = electricity from the movement of the turbines<br />
6. 6. Diagram of Tidal Stream <br />As the current moves toward the turbine it turns and generates electricity<br />Turbine<br />These turbines are a lot like wind turbines but they are much more durable because of the high pressured water.<br />
7. 7. Real Tidal Stream Generator <br />
8. 8. Mechanical Energy>Electrical<br />These types of tidal power are generated by the mechanical movement of the waves converting into electricity<br />This occurs when the waves move past the turbines and turn them to create electrical energy<br />Therefore, the electricity is generated by turning mechanical energy (turbines) into electrical energy (the electricity generated)<br />
9. 9. THE END<br />