March 19, 2013
Poof! a soap bubble magically turns to a puff of smoke, if you have it in your hands and clap your hands together. The smoke is actually CO2, or dry ice and when trapped inside soap bubbles it escapes into the air as a gas. For first graders, it is a lesson in chemistry.
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Chemistry demonstrations turn students into teachers
Seven first grade students crowded around the table, staring intently at Payson High School (PHS) sophomore Natalia Olivares and junior Jessica York.