STATIC ELECTRICITY - Mr. Wizard shows Nicola some fun trix with the Van de Graaff generator. LIFTING CUPS - Mr.Wizard challenges Leila to pick up two plastic drinking glasses with a balloon. She thinks it's impossible. PARROTS OF PUERTO RICO - This newly?born chick is one of the rarest birds in the world, a Puerto Rican parrot. Scientists believe there may be fewer than 20 adult birds left in the world, all in a protected forest in the mountains of Puerto Rico. A LESSON IN GRAVITY - Mr. Wizard puts a washer near the edge of the plywood and a washer on top of the end of the ruler. He tells Laurie that he will flick the ruler with his finger and the washer on top of the ruler will fall straight down, while the washer at the edge of the plywood will move a few feet away. Which washer will hit the desk first? PULLEYS - Karen tries to lift a metal pail full of stones. She can pick it up only a few inches. Mr. Wizard explains that she will be able to easily pick it up with the help of a rope and a pulley and something called mechanical advantage. HYPO CRYSTALS - Modern abstract art being created before your very eyes in much the same way a frost forms on a window. But these are crystals of sodium thiosulfate, the chemical photographers use to fix negatives and prints and which they call hypo. GLUE FROM MILK - Michael tears apart two pieces of construction paper which are glued together only in the center. The glued part stayed intact. Mr.Wizard explains that he made the glue from skim milk. HOME MADE RECORD PLAYER - AJ is going to make a record player from cellophane tape, a pencil, a pin, and a sheet of paper.moreless
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