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In this activity on page 3 of the PDF, learners discover how science and Halloween are fun companions as they make paper bleed.
As The Stomach ChurnsAdd to list Details
In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre
Rock BottomsAdd to list Details
Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
How Do Antacids Work?
You just ate a big meal and feel heartburn coming on. You take an antacid and feel better. Why? Heartburn is caused by stomach juice (an acid) burning the esophagus.