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Across
  1. 4. Which cooling method is effective in dry and hot areas by using water ponds?
  2. 6. What is the material called that absorbs and stores heat energy in solar designs?
  3. 9. What is the design principle that maximizes sun exposure in winter?
  4. 11. What type of ventilation system uses natural wind forces?
  5. 12. What type of system uses no mechanical devices to distribute solar heat?cat Likes to chase mice
Down
  1. 1. What is the insulating material commonly sprayed into walls or ceilings for heat reduction?
  2. 2. What type of solar heating system uses pumps and ducts?
  3. 3. What is the principle called that uses earth's stable temperature for heating or cooling?
  4. 5. Which architectural feature controls sunlight and heat gain?
  5. 7. What unit is used to measure the refrigeration capacity of an air conditioning system?
  6. 8. What is the term for a building that has zero net energy consumption?
  7. 10. energy recovery device is used to provide controlled ventilation?