Experiments in the kitchen #1


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Updated: 8/11/2003 11:11 pm Published: 8/11/2003 11:11 pm


Many children love to explore new ideas and create things, so turning your kitchen into a mini science lab is sure to be a hit. Don't worry. You won't need any special equipment, and these projects make a minimum of mess. The first experiment explores sound. Find four identical glasses. Ideally, these should be clear, so you can see how much liquid is in each glass. Next fill each glass with varying amounts of water. Now, line the glasses up so that the levels of water are in ascending order. Gently tap each glass with a spoon. The children should be able to detect the different tones due to the amount of water the sound waves travel through. The next experiment launders money, the legal way. Gather several dingy (DIN-jee) pennies. Combine salt and vinegar in a glass, and put the pennies in to soak. After a few minutes, remove them and rub with a wash cloth. Presto--shiny pennies. If you'd like them to be a little brighter, try increasing the amount of salt in the vinegar.

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