solar chimney

2. A valve, usually a move able or retractable plate for controlling the flow of air or smoke?
3. Solar chimneys are also called?
4. Modern solar chimneys usually feature a wall of _____ ?
6. Vents at the top and bottom control the _____ in and out of the chimney for heating or cooling?
7. able to be maintained at a certain rate or level?
14. Solar chimney draws air through a _______ exchange to provide passive home cooling?
16. a machine for producing continuous power in which a wheel or rotor, typically fitted with vanes?
17. movement to and from or around something?
19. the amount of solar radiation reaching a given area?
20. a solar chimney is often referred to as?

1. Solar chimneys are also called?
5. air is heated through the greenhouse effect generated by ______ radiation?
8. an upward current of air.
9. a device that reduces the effect or intensity of sound or an impact.
10. 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?
11. is a passive solar heating and cooling system that regulate the temperature of a building?
12. hollow thermal mass with an opening at the top as an exit for the ______ ?
13. hot air rises up the chimney and vents out the top, and then it draws air at the _____ of the chimney?
15. a duct or pipe for conveying air?
18. Chimneys work by removing byproduct gases, like ______ , from the air?