Science Enhanced S&S Biology - Virginia Department of ...

Water from various sources (e.g., tap, well, pond, stream, lake) Solutes. Sucrose (granulated sugar in packets) Sodium chloride (table salt in packets) Citric acid (whole lemons cut into quarters) Gelatin packets. Vinegar. Ammonia solution. Sodium bicarbonate. Liquid soap. Sand or dry soil. Ice. Heat source or hot water bath. Test tubes (5 to 7 ... ................
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