Mr.Wizard's World

Season 3 Episode 9

Episode 9

Aired Unknown Jan 01, 1986 on Nickelodeon
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Episode Summary

Episode 9
ULTRA VIOLET LIGHT - Mr. Wizard and Darren look at a rock under normal light and under ultraviolet light from a special lamp. They discuss the word ultraviolet. Darren describes ultra as very Violet and violet sort of like purple. BOTTLE - BALLOON-STEAM - Nicola inspects two bottles. One bottle is completely filled with an inflated balloon. The other has a balloon partially blown up. Mr. Wizard challenges Nicola to blow the second balloon up like the first. She tries and finds she can't do it. WHAT'S THIS?? - This is a magnified view of semi?precious stones called garnets, which are often red, but can be almost any color. WASHER PICK UP FROM GLASS - Christian is holding two nickels against a drinking glass. He is supposed to both nickels into one hand without dropping them. He tries and fails. HOMEMADE MOTOR - Mr. Wizard shows Ashley an electric motor made from a magnet XE "magnet, wire, and safety pins. To understand the principle of an electric motor, Ashley holds first one end and then the other of a bar magnet near a second magnet fastened to a small turntable. RIVER MODELING - U.S. Highway 220 (that's the curved white line) had been rerouted to keep it away from the river (that's the black area). But as a result of flooding caused by severe storms, the stream gradually moved back toward the new road. Another storm could possible wash it away and scientist figure out a way to rework the stream MIRROR SIGNAL - Stacey uses a mirror with a hole in it as a signal to reflect the sunlight at a distant object. Mr. Wizard shows her how to look through the hole to be certain that a person in the distance can see the reflection.moreless

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