Acid reflux disease is battled by a change in diet, or by using antacids, such as Gavison. In this demonstration, a 250 mL flask is used to model the stomach and to show how the sodium alginate in the product Gaviscon reacts with the acid in the stomach to form a barrier or “raft” which forms a barrier between the oesophagus and excess acid in the stomach. This raft helps keep all the components of the stomach contents in the stomach where they work, not letting them seep back up into the oesophagus where they hurt.
Event Type(s): Summer Reading Club, STEAM
Age Group(s): K-5
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