Mr.Wizard's World

Season 4 Episode 3

Episode 3

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Aired Unknown Mar 13, 1987 on Nickelodeon
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Episode 3
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CLOCK REACTIONS: Darren dissolves some starch in a glass of water and adds iodine + 2 other ingredients. There is a change and a chemical reaction - see what happens!! IMPOSSIBLE TRIANGLE: With one eye, Ashley looks at a three?dimensional wooden triangle on a stand. The sides appear to be in different planes, yet come together to form the figure. They examine the optical illusion. DRILL BIT: You don't often think of common objects as works of art, but here's an everyday illustration of the artistic idea that form is determined by function. The form is a simple inclined plant of hard metal that pushes material as it turns. BLOW INTO BOTTLE: Bibi is shown a large glass with a one hole stopper with a soda straw running through it. One end of the straw goes to the bottom of the bottle which has colored water in it. The other end has the small spout of a medicine dropper attached to it. See what happens. MIRROR FUN: Ryan looks at a clock in a mirror and tells Mr. Wizard the time. According to the position of the hands it is five minutes to eight, but the numbers are reversed in the mirror. ARCHAEOLOGICAL DIG: Scientists can get a good idea how ancient people lived by piecing together clues at an archaeological dig like this huge one in southern Illinois. The Shell Oil Company documented the activity. ICE MELT - WILL GLASS OVERFLOW?? Karen fills a drinking glass with ice cubes. Mr. Wizard asks her to fill another empty glass with water. With a medicine dropper she fills the ice-filled glass to the brim. Will the glass overflow when the ice melts? FUN WITH LASER AND DRY ICE CHALLENGE: Bibi is shown a setup with a laser, two mirrors, and a bowl of dry ice. She drops some of the dry ice into a glass of water to make fog. Mr. Wizard turns off the room lights. Bibi finds the red beam from the laser.moreless
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