This is a lab activity where students learn about the effects of acidic water on shelled animals. The students set up three beakers- one for water, one for salt water, and one for vinegar (acid). They place a seashell in each and make observations over the course of three days. The sea shells and vinegar create a bubbly reaction that piques the students' curiosity. My students love it! Great for science topics covering life sciences, ocean chemistry, global warming, mollusks and the animal kin