Mr. Wizard's World - Season 3 (1985)

Ultrasonic Cleaner, Manhole Covers, Jar over Candle, Bicycle Gears, Support and Balance, Harvesting Oysters, Balloon into a Bottle.

Potato Battery, Connect the Dots Puzzle, Hurricanes, Flight Simulator, Water Drop Microscope, Radar Gun.

Delicate Balance, Potato Pop Gun, The Zebra, Density Float, Missing Piece of Cake, Opposite Threads, Colored Flames in Fireworks.

Sound on a Light Beam, Optical Illusion, Wired Hockey Players, Balloon and Marshmallow in Vacuum, Merry-Go-Round Water Drain, Hole in Bottle, Diamond Find, Aluminum Foil Cleans Silver.

Mousetrap Chain Reaction, Asparagus, Magnify, Optical Range Finder, Pin Into Balloon, Fostering Parents for Birds, Air and Water Streams.

Ultra Violet Light, Bottle-Balloon Steam, What's This, Washer Pick Up from Glass, Homemade Motor, River Modeling, Mirror Signal.

Paper Movie Machines, Dolphin Language, Heat Expansion, Rope on Wrist, Petrified Forest, Paper Tear, Killdeer Act, Mobile Challenge.

Steam Breaks Container, Navel Oranges, Fresnel Lens, Balloon Rocket, How Many North Poles, Computer Trivia, Sea Turtles, Ultraviolet Light Detection.

Potassium Nitrate, Wood Into Paper, Snow Melt, Telescopes, Surface Tension Tricks, Hospital for Statues.

Smoke Rings, To Dig a Mine, Hot vs. Cold Water Bottles, Three Pile Card Trick, Computer Reaction Timer, Alligator, Volume Challenges.

Fun With Sparks, Cockroach, Burping Bottle, Crystal Garden, Monitor Expedition, Why do Balls Curve, Face Mask, Mirror Micro Meter.

IRON CLAD MAGNET: Ashley uses an electromagnet Mr. Wizard has made to explain how he (Ashley) has made one at home. They connect a battery and Ashley picks up a pile of paper clips with the electromagnet. Why do all except a few paperclips fall off?? WHAT'S THIS? From this angle you can see only half of this familiar seed. Each half is called a cotyledon. Food is stored in them to be used by the new plant until it can begin to produce food on its own. CATENARY ARCH: Maria places blocks together on a board to form an arch on its side. They carefully put the keystone in...