MOUSETRAP CHAIN REACTION: Mr. Wizard has prepared a large transparent box that contains 96 mousetraps which are set and ready to spring closed. There are two ping pong balls on each trap. He and Darren discuss a chain reaction and its importance in an atomic reactor. WHAT IS THIS?? This is the top of a plant you no doubt have eaten. The bud has been opened so you can see some of the parts inside. Eventually the parts would have grown into many fine branches that give the mature plant the look of a fern. MAGNIFY : Michael sees the gears of an alarm clock with the help of a close up lens on the video camera with the magnified image on the monitor. Mr. Wizard shows Michael various magnifying glasses he can use to see some of the same things they are about to see via the video setup. OPTICAL RANGE FINDER: In the park Mr. Wizard and Christopher discuss a rangefinder and how it works on some cameras. PIN INTO BALLOON: Jackie puts on safety glasses. Mr. Wizard has her stick pins into pieces of tape on an inflated balloon. In spite of the pins, the balloon does not break. When she sticks a pin into a section without the tape, the balloon bursts. FOSTERING PARENTS FOR BIRDS: Hopefully, the eggs will hatch into whooping cranes, birds that were common in Canada and the United States in the 1800’s. AIR AND WATER STREAMS: Christian pours a bottle of colored water into the sink. Mr. Wizard says he is actually pouring two fluids at the same time. They discuss the meaning of the word fluid, a substance that flows. Christian says air is also a fluid. They discuss dynamic and static pressure.moreless
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