AIR/WATER BOTTLE ROCKET: Mr. Wizard explains to Daniel how the water/air bottle rocket is released. They then pump in air, release it, and note how high it goes. SPIRAL REVERSE: Tyler stares at a spinning disk on which is a spiral that appears to be moving towards its center. When the disk is stopped, the apparent motion is reversed. COLLAPSE SODA CAN: Mr. Wizard adds water to an empty soft drink can and heats it at the stove. Bjorn explains the famous collapsing gallon can in which steam changes to water vapor. MODEL OF STEAM ENGINE: Larissa describes the tea kettle connected via tubing to a cylinder inside of which is a piston that can rise and fall as steam is admitted into the cylinder. LOGIC SOLITAIRE: Shan is challenged with a card game of Solitaire in which the face cards are lined up in rows of four with each row and each diagonal containing an Ace, King, Queen, and Jack. Mr. Wizard describes a more difficult version. QUICK QUIZ: Transparent knobs along the edge of woven fibers indicate this is something man-made. A clue: another row of knobs is brought from above and pressed into this row. The knobs interlock to close the gap usually in fabrics. An unusual view of that ingenious device: What is this?? BLOW OFF PILL BOTTLE: Mr. Wizard has poured water into a pill bottle and is going to add a headache tablet to it and explains the chemical reaction releases of carbon dioxide. Always use safety glasses. MISSING SQUARE: Brian has seen the missing square puzzle in a magazine and can explain how, when the pieces are rearranged, a square is missing in the center. HAZARDOUS WASTE SPILL AND THE COMPUTER: Mr. Wizard explains how the computer has become an important tool in helping solve environmental clean up. PH - INDICATOR AND CHALLENGE: Mr. Wizard explains that a pH meter measures how acid or base a substance is. Damon then defines an acid as something that can burn you and a base as opposite of an acid. Mr. Wizard challenges Damon - see what happens.moreless
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