|MadSci Network: Other|
Not knowing to what scale you would like to do this, let me give you a simple demo. You can do this on several scales depending on the equipment available. The key to the method is using dry ice or a dry ice ethanol mixture (be very careful if you use ethanol due to flammability). Take a pan of water and place it under a metal plate where the dry ice has been placed on top. The plate can be put in a box so the dry ice is hidden. THe pan of water can be heated if needed. Adjust the metal plate (metal pan if you use the ethanol bath) above the water until you show the "rain" developing on the plate, but not freezing (if you do it just right, you can get snow!). It will take some experimentation to see what will work better. You can put the whole thing in a clear box, do it in a hood, or use colored water to show only the water that evaporates. I have even seen a stobe added for lightning. You should always have a hidden metal pan to strike when you talk about thunder. Keeps everybody awake. You can also use one of the mode tapes available of a thunderstorm also. Hope this helps.
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