5th Grade Science Quiz
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MATTER AND ITS INTERACTIONS
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After mixing the substances, Jordan stirred 200 mL of room-temperature water (22°C) with 2 teaspoons of salt. The salt "disappeared," there were no bubbles, the temperature stayed at 22°C, and the water tasted salty. The next day, the teacher left the cup in a warm sunny window and the water evaporated, leaving white salt crystals. Based on this evidence, is this a chemical change or a physical change?
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