Michael presented an experiment to identify that tap water in some places may contain minerals and the effects of minerals. Michael added Epsom salt to distilled water. Next, he put distilled water into another container. He added detergent to both of the bottles. Students enthusiastically shook both bottles. The bottle with the Epsom salt did not create bubbles, because of the minerals. The bottle without the minerals created many bubbles. Water without minerals is soft water. Some minerals that can make water hard are calcium and magnesium. The Epson salt contained magnesium sulfate and made the water hard. Thanks for the fun experiment Michael.
Respectfully,
Rachel Sibick
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