Students use Alka Seltzer to explore chemical reactions. Students put a small amount of Alka Seltzer into a film canister with water in it and time how long it takes to "blow" the lid off. Four page lab. Students test temperature of water & surface area. Designed under NYS standards. Questions draw students to think about why reaction time changes due to temperature and surface area. Questions deal with these topics at a molecular level.
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