solar chimney

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Across
  1. 1. movement to and from or around something?
  2. 3. dioxide, Chimneys work by removing byproduct gases, like ______ , from the air?
  3. 6. a machine for producing continuous power in which a wheel or rotor, typically fitted with vanes?
  4. 8. Vents at the top and bottom control the _____ in and out of the chimney for heating or cooling?
  5. 10. heat, Solar chimney draws air through a _______ exchange to provide passive home cooling?
  6. 12. a device that reduces the effect or intensity of sound or an impact.
  7. 14. an upward current of air.
  8. 15. stack, Solar chimneys are also called?
  9. 17. able to be maintained at a certain rate or level?
  10. 18. air is heated through the greenhouse effect generated by ______ radiation?
  11. 19. A valve, usually a move able or retractable plate for controlling the flow of air or smoke?
Down
  1. 2. the amount of solar radiation reaching a given area?
  2. 4. air, hollow thermal mass with an opening at the top as an exit for the ______ ?
  3. 5. chimney, Solar chimneys are also called?
  4. 7. a vertical channel or pipe that conducts smoke and combustion gases up from a fire or furnace and typically through the roof of a building?
  5. 9. chimney, is a passive solar heating and cooling system that regulate the temperature of a building?
  6. 11. chimney, a solar chimney is often referred to as?
  7. 13. hot air rises up the chimney and vents out the top, and then it draws air at the _____ of the chimney?
  8. 16. Modern solar chimneys usually feature a wall of _____ ?
  9. 20. duct, a duct or pipe for conveying air?