These are the handouts from fall, 1999:

• Liquid Crystals -- December 6, 1999
  
• Gases of the Air -- November 29, 1999
  
• Chemoreception: The Chemistry of Odors -- November 15, 1999
  
• Chelates and Chelating Agents -- November 8, 1999
  
• Ozone -- November 1, 1999
  
• Agricultural Fertilizers: Nitrogen, Potassium, and Phosphorus -- October 25, 1999
  
• Gases That Emit Light -- October 11, 1999
  
• Lime -- October 4, 1999
  
• Fall Colors -- September 27, 1999
  
• Hydrogen -- September 20, 1999
  
• Sulfuric Acid -- September 13, 1999
  
• Methane -- September 8, 1999
  
• Ethanol -- September 3, 1999
  Lake Lore