P2a Passive Solar Heating And Wind Power

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P2a Passive Solar Heating And Wind Power

  1. 1. Solar cooking <ul><li>How does it work? </li></ul>
  2. 2. Passive solar heating
  3. 3. Passive solar heating <ul><li>Glass allows ________ to pass through </li></ul><ul><li>Sunlight warms _______ coloured walls/floor </li></ul><ul><li>Walls emit heat ( _________ radiation) </li></ul><ul><li>Heat is transferred through rooms by ___________ and ____________ </li></ul><ul><li>Glass prevents heat (infrared) escaping so the net effect is warming </li></ul><ul><li>Usually positioned on __________ of buildings </li></ul>
  4. 4. Wind power
  5. 5. Wind power <ul><li>What causes winds? </li></ul>
  6. 6. Wind power - energy transfer <ul><li>Energy transfer diagram for wind power: </li></ul>
  7. 7. Wind power - pros and cons <ul><li>Advantages </li></ul><ul><li>Disadvantages </li></ul>

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