Using vinegar to heat up steel wool Chemical reactions occur every day all around us. A chemical reaction is a process where one type of substance is chemically converted to another substance. That fizzling toilet bowl cleaner is a chemical reaction. The fire in your fireplace is another type of chemical reaction. The smoke that comes out of Dad's ears when you lose one of his favorite golf clubs is a result of a chemical reaction. OK, so maybe that's a bad example. This experiment demonstrates a chemical reaction that's fairly common all around us (and we don't have to touch Dad's golf clubs to make this one work). Put the thermometer in the jar and close the lid. Wait about 5 minutes and write…
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