In this substantial unit, students gain scientific inquiry skills as they learn about acids and the pH scale, make "fake lakes," determine how the pH of the lakes changes after an acid rainstorm, present a play about the effects of acid rain on aquatic life, and hold a town meeting to discuss solutions to the problem. Students are encouraged to analyze complex environmental issues for themselves and to consider the elements that go into making environmental decisions. Extensive background information is provided. Grades 6–8 8 Sessions 176 pages ISBN: 0-924886-14-5 |
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