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- 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
- 5th - 8th
- Rating
Students use purple cabbage indicator to test five known substances for acidic/alkaline balance. They discuss the safety precautions required both inside and outside a lab in handling acids and bases. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students distinguish between the differences of acids/bases. They demonstrate how to test for acids and bases, and communicate the significance of testing for acids and bases. After a lecture/demo, students engage in a variety of experiments. Full Review »
- Grade Range
- Higher Ed
- Rating
Students examine the acid and base balance in the human body. They identify the physiology of how they relate to acidosis and alkalosis. They work together in groups to write an original clinical study. Full Review »
- Grade Range
- 7th - 8th
- Rating
Students experiment to determine the differences between acids and bases using litmus paper, pH paper and indicator solutions. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students work together to discover the differences between acids and bases. They practice using indicators and reading them. They examine how chemical engineers use this information to help design products. Full Review »
- Grade Range
- 9th - 10th
- Rating
Students conduct experiments and collect data to determine physical and chemical characteristics of acids and bases. 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
- 9th - 12th
- Rating
Students identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations. Full Review »
- Grade Range
- 9th - 11th
- Rating
Students identify acids and bases by listing their properties and comparing and contrasting them based on the theories of Arrhenius, Bronsted-Lowry and Lewis. Working in groups, they classify a solution as neutral, acidic or basic given the hydrogen or hydroxide ion concentration and convert hydrogen ion concentrations. Full Review »
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