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- Grade Range
- 6th
- Rating
Students correctly identify items as acids or bases by using a pH test, list the common properties of acids and bases and explain the pH scale. Full Review »
- Grade Range
- 4th
- Rating
Students make cabbage water to test color change when acids and bases are added to it. They observe the colors of the pH scale and associate certain colored litmus paper with acids or bases. Full Review »
- Grade Range
- 4th - 6th
- Rating
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. Full Review »
- Grade Range
- 7th - 10th
- Rating
Students experiment to determine the difference between an acid and a base. They study the concept of adding a buffering agent to make an acid more basic. They study the pH scale. Full Review »
- Grade Range
- 5th - 8th
- Rating
Students explain the importance of the pH in ecosystems. They explain the relationship between bases and acids. They make observations, collect and analyze data and draw a conclusion. Full Review »
- Grade Range
- 5th - 8th
- Rating
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. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students measure a variety of common substances for their pH level. They use a measurement of old Litmus paper and the history of pH level determination. Students rank order the substance and make comparison reports on the intensity of acidity or alkalinity. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students explore acids and bases. They determine whether common household substances are acidic or basic and develop a list of important acids and bases. In addition, they create a pH scale and place common substances at appropriate positions on the scale. Full Review »
- Grade Range
- 8th
- Rating
Students how to use a pH meter and have a working comprehension of the pH scale. They perform tests on household antacids and see if the buffering effects vary from product to product. Students draw conclusions on the buffering effects based on shared data. They review the pH scale lesson from the previous day, and how buffers are utilized by living systems to maintain a specific internal pH in the presence of a chemical change. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students identify and analyze how acid rain can affect the environment. They then explain how air, water, and pollution interact and conduct pH tests to find acidity levels in water. Finally, students become "Pollution Watch Reporters" who clip and report on news items dealing with the causes and effects of acid rain and other pollution upon both plants and animals. Full Review »
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