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This site offers 8 environmental experiments:<p/> <p>Experiment 1: Measuring pH</p> <p>Experiment 2: Determining the pH of Common Substances</p> <p>Experiment 3: Making a Natural pH Indicator</p> <p>Experiment 4: Measuring Soil pH</p> <p>Experiment 5: Soil Buffering</p> <p>Experiment 6: Observing the Influence of Acid Rain on Plant Growth</p> <p>Experiment 7: Observing Buffers in Lakes, Ponds, and Streams</p> <p>Experiment 8: Looking at Acid's Effects on Metals</p><p/> <p>This resource is part of the <b><a href="http://www.curriki.org/xwiki/bin/view/Coll_ALoom/BiologyLinksforOLPC"> Biology Links for One Laptop Per Child</a></b> course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology. </p>
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