Geoff Skubal uses a propane torch to ignite propane contained in a soap bubble, as Tony Woods looks on, Thursday Feb. 27, 2020 at James Williams Middle School. The two natural gas technicians with Wisconsin Public Service made four presentations at JWMS Thursday teaching students about natural gas safety, using a variety of simple experiments to help convey the information. This experiment demonstrated that propane is heavier than air while natural gas is lighter.
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