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- Grade Range
- 6th - 8th
- Rating

Students examine how to test for pH (the degree of acidity or alkalinity of a substance) and explain its relationships to them and their environment. Cross-curriculum ideas are also included for math, English, and history. Full Review »
- Grade Range
- 3rd - 8th
- Rating

Students investigate acids, bases, and pH, and related this knowledge to the problem of acid deposition. Full Review »
- Grade Range
- 6th - 8th
- Rating

Students explore how to test for pH and explain its relationships to them and their environment. Full Review »
- Grade Range
- 10th
- Rating

Students define pH and use the pH scale to interpret the amount of hydrogen ions in a solution including acid rain. They investigate the effect of acid rain on wildlife, soil, and tree forestation. 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
- 6th - 12th
- Rating

Students investigate acids, bases,and pH. They test the acidity and basicity of various household items using litmus paper. Using their results, they rank the substances according to pH and identify the contributing chemical on the label. 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
- 6th - 8th
- Rating

Students test unknown solutions for pH levels to determine which organism can live in each environment. They name three substances that they think are acids. Students determine a solution is an acide or base. They define the term pH. Full Review »
- Grade Range
- 8th
- Rating

Students define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical formulas. 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 »

