Fire Prevention & Arson Investigation Cross Word Puzzle

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Across
  1. 1. the mechanism in which fire can spread from its origin to other sources of fuel.
  2. 3. a passage hall or ante chamber between the outer doors and the interior parts of a house or
  3. 6. any liquid which causes fire when in contact with organic matter or with certain chemicals.
  4. 8. is the science that deals with the study of matter which treats of the structure composition and properties of substances and of the transformations which they undergo.
  5. 9. heat is transferred by direct contact and the rate of transfer is dependent on factors.
  6. 14. a kind of stable explosive compound which explodes by percussion.
  7. 15. the mechanism in which fire can spread from its origin to other sources of fuel.
  8. 18. science that deals with the study of matter and energy and their mutual interactions.
  9. 20. a normally open device installed inside an air duct system which automatically closes to restrict the passage of smoke or fire.
  10. 21. luminous body of a burning gas which gets hotter and less luminous when mixed with more oxygen.
  11. 23. the ease at which a material can be ignited.
  12. 25. the density of the vapor relative to the density of air and is calculated by dividing the molecular weight of the gas by that of air.
  13. 28. any visual or audible signal produced by a device or system to warn the occupants of the
  14. 29. the use of one or more electrical appliances or devices which draw or consume electrical current beyond the designed capacity of the existing electrical system.
  15. 30. in the form of light and heat.
  16. 32. or the fighting element of the presence or danger of fire.
  17. 33. exothermic reaction involving the oxidation of some substance such fuel resulting in the release of
  18. 37. fire caused naturally without human intervention or aid such as lightning spontaneous ignition and mechanical malfunction of equipment.
  19. 38. descriptive of any material which by its nature or because of its reaction with other
  20. 40. a device used for making a connection when threads do not match or when they are different in sizes.
  21. 42. means slowing down the rate of burning.
  22. 43. amount of fuel vapor that can be mixed with air to form an explosive or flammable mixture.
  23. 45. a return to flaming combustion after incomplete extinguishment of a fire reigning at some time after being put out
  24. 47. any material or mixture consisting of a fuel and oxidizer used to set off explosives.
  25. 48. melting or fusing of metallic ores or compounds to separate impurities from pure metals.
  26. 49. can occur when vapors dust of gases premixed with appropriate amount of air are ignited.
  27. 50. the purpose for which a building or portion thereof is used or intended to be used.
  28. 51. excludes the oxygen from the fuel so that the gases or vapors of the fuel cannot ignite and continue the combustion.
  29. 52. the lowest temperature at which liquid fuel produces a flammable vapor.
  30. 53. a piece of metal or an electrical conductor used to bypass a safety device in an electrical system.
Down
  1. 2. produce a rapid drop in temperature of the immediate surroundings.
  2. 4. a reddish orange in color it deposits soot because it is a product of incomplete combustion it has lower temperature.
  3. 5. rapid burning which can be considered a slow explosion but travels at a lesser speed than a detonation.
  4. 7. heat is transferred if the form of electromagnetic energy directly from one object to another.
  5. 10. a colorless odorless gas and one of the compositions of air which is approximately 21% by volume.
  6. 11. the temperature at which a material is not hot enough to keep burning but still gives off enough vapors to cause a flame to flash across the surface.
  7. 12. transfer of heat through physical movement of materials and occurs only in liquids and gases.
  8. 13. intentional or malicious destruction of property by fire.
  9. 16. rough flame those having unsteady, irregular swirls and eddies.
  10. 17. a building unsafe in case of fire because it will burn easily or because it lacks adequate exits or fire escapes.
  11. 19. any substance which reacts chemically with oxygen and produces flames.
  12. 22. sequence of exothermic chemical reaction between fuel and an oxidant accompanied by the production of heat and conversion of chemical species.
  13. 24. a four sided solid geometric figure that resembles a pyramid with one of the sides forming the base.
  14. 26. chipping or pitting of concrete or masonry surfaces.
  15. 27. a form of energy generated by the transmission of some other form of energy, as in combustion or burning.
  16. 31. occurs when solid fuels are not capable of producing enough gas during pyrolysis to sustain a flame.
  17. 34. it is the transmission of heat through an object or medium or conductor such as pipe metal hot air duct wire or even wall.
  18. 35. descriptive of any substance that ignites spontaneously when exposed to air.
  19. 36. any act that would remove or neutralize fire hazard.
  20. 39. a chemical change in which combustible material such fuel and an oxidizing agent react.
  21. 41. finely powdered substance which when mixed with air in the proper proportion and ignited will cause an explosion.
  22. 44. the chemical process whereby fire consumes the most solid part of the fuel.
  23. 46. can generate temperatures high enough to ignite any combustible materials near the heated area.