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- Grade Range
- 6th - 8th
- Rating
Students examine how all salts are not neutral and demonstrate the necessity for measuring concentration using normality in titration experiments. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students focus on the mathematical and conceptual aspects of acid and base chemistry. They develop comprehension on pH probes, titration and neutralization. Students are involved in several rough and formal laboratory experiments. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students investigate the strength of acids and bases. They identify acids and bases that they encounter everyday in their lives. They investigate and research acid rain. They create a PowerPoint presenting their research on acid rain. Full Review »
- Grade Range
- Higher Ed
- Rating
Students discover in this experiment, that a pure sample can become contaminated during preparation for analysis. They colorimetrically analyze water samples from a river for phosphorous. One group of students (Gila Laboratory) decolorizes the "murky" water with activated carbon, while the other group (Graham Laboratory) decolorizes the water with activated carbon that has been acid washed. Full Review »
- Grade Range
- 5th - 10th
- Rating
Students conduct an experiment to determine the acidity of three different brands of soda by adding a known volume of base until a pink color appears in the reaction vessel. They test fresh and flat soda, observe any differences, and draw conclusions based on the data collected. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine how different nutrients in the soil and fertilizers affect plant growth. In groups, they participate in a role play in which allows them to see the interactions of humans and plants. They also read articles and record their opinions about issues related to agriculture. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students use a series of hands-on labs and activities, practice problems, discussions and writing assignments, students investigate about fertilizer chemistry as they break compounds into ions, make a fertilizer and test various fertilizers for phosphate content. They answer the questions of what nutrients are required by plants, how these nutrients are obtained and the issues related to fertilizers. 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
- 10th
- Rating
Students complete a vocabulary assignment based on terms in the unit. They complete appropriate worksheets as each section of the unit is completed. They participate in classroom discussions. They construct a model of a DNA molecule. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students explore the differences between acids and bases. In groups, students perform science experiments to demonstrate the properties and reactions of particular acids and bases. They dilute a solution from a concentrate, perform a neutralization reaction, use the titration technique to analyze the solution and determine if the solution is an acid or base. Full Review »