solar chimney

2. A valve, usually a move able or retractable plate for controlling the flow of air or smoke?
4. stack, Solar chimneys are also called?
5. an upward current of air.
6. the amount of solar radiation reaching a given area?
7. Modern solar chimneys usually feature a wall of _____ ?
9. air is heated through the greenhouse effect generated by ______ radiation?
11. chimney, is a passive solar heating and cooling system that regulate the temperature of a building?
13. air, hollow thermal mass with an opening at the top as an exit for the ______ ?
15. heat, Solar chimney draws air through a _______ exchange to provide passive home cooling?
17. chimney, a solar chimney is often referred to as?
18. a machine for producing continuous power in which a wheel or rotor, typically fitted with vanes?
20. movement to and from or around something?

1. a device that reduces the effect or intensity of sound or an impact.
3. Vents at the top and bottom control the _____ in and out of the chimney for heating or cooling?
8. able to be maintained at a certain rate or level?
10. dioxide, Chimneys work by removing byproduct gases, like ______ , from the air?
12. 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?
14. chimney, Solar chimneys are also called?
16. duct, a duct or pipe for conveying air?
19. hot air rises up the chimney and vents out the top, and then it draws air at the _____ of the chimney?