3-2-1 Contact: Crystals - They're Habit Forming 552 THR 1 VHS videocassette 15 minutes, 1 ditto, 1 teachers guide. Examines the types, forms and growth of crystals. Mr. Wizard's World: Chemical Reactions 540 MRW 1 VHS videocassette 18 minutes, 2 dittos, 1 teachers guide. Activity segments: Homemade Hydrogen; Homemade Fire Extinguisher; Oven Cleaner and Aluminum Reaction; "Burning" Sugar; Cleaning Silver. Activities progress from simple to complex scientific principles.
Bill Nye Physical Science: Chemical Reactions/ Phases Of Matter 530 BIL 1 VHS videocasette 52 minutes, 2 teachers guides. Chemical Reactions - 26 min - discusses elements, how new chemicals are formed, and how energy is released in a chemical reaction. Phases of Matter - 26 min - discusses energy and the three phases of matter.
Mr. Wizard's World: Chemistry in the Kitchen 540 MRW 1 VHS videocassette 26 minutes, 1 ditto, 1 teachers guide. Activity segments: The Effect of Salt on Ice; How Much Gas in Soda?; Making Glue from Milk; Bleach Art; Secret Inks; Explosive Flour; Steel Wool "Fireworks". Activities progress from simple to complex scientific principles.
Mr. Wizard's World: Chemical Tests 540 MRW 1 VHS videocassette (26 minutes), 1 ditto, 1 teachers guide, Activity segments: What Makes a Candle Burn?; Testing for Hydrogen; Kitchen Chromatography; Cabbage Juice Indicator; Starch Iodine Test; Iodine Clock Reaction. Activities progress from simple to complex scientific principles.