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- 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
- 8th - 12th
- Rating
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students estimate the pH based on the use of an unknown substance, determine whether an unknown substance is acid, base or neutral, and evaluate, by the pH determination, which of the unknowns is the strongest acid or base. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students determine the pH level of water and its effect on aquatic plants and brine shrimp eggs. This is a three part lesson that leads the student through the development of an understanding of water pH. They form a hypothesis and are encouraged to Full Review »
- Grade Range
- 9th - 11th
- Rating
Students determine if changes in pH affect the growth and survival rates of aquatic plants. They evaluate the optimal pH levels for the growth of aquatic plants. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students determine if brine shrimp eggs hatch and develop more readily in an environment which has an acid or a basic pH. They evaluate the pH level which is optimal for the hatching and development of brine shrimp. 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 - 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
- 6th - 8th
- Rating
Students investigate the pH of various household liquids. They write a hypothesis about the pH level for each liquid and then test the pH using pH paper. They then revise their hypotheses and test pH using a pH probe. Full Review »
- Grade Range
- 5th - 12th
- Rating
Students use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples. Full Review »
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