The pH scale
Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.
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Effects of pH Changes on Aquatic Plants and Animals
Young scientists review the pH ranges that support a variety of water-dwellers. They measure the pH of various household liquids and then consider whether or not the organisms could survive in such liquids. This simple activity could be...
6th - 8th Science
Introduction to pH in Soil and Demonstration of a Simple Soil Test Procedure
Students explain why farmers and gardeners may add nutrients to the soil to raise the pH level. They examine the pH scale. They make observations, collect and analyze data and draw a conclusion based on the data.
5th - 8th Science