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How can pH be used to determine possible product tampering?
Learners investigate the strength of acids and bases experimentally. They answer the question, "How can pH be used to determine possible product tampering?" by testing acids and bases with litmus paper.
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The Case Of The Sour Employee
Ninth graders are presented with a problem that has to be solved. The scenario is a mystery that is purely hypothetical. This does draw on the knowledge of previous lessons. The lesson plan contains background knowledge explaining the...
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Acid Neutralization Lab
Students discuss and design a lab to measure pH of limestone, pyrite, limestone-pyrite mixtures and their control. They have their labs approved by the instructor before they begin. Students preform the lab and explore the acid-base...
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More Acid-Base Indicators
Students explore acids, bases, and indicators. They use turmeric solution, phenolphthalein, and goldenrod paper to determine the acidity and basicity of a variety of common household substances. A worksheet is included to record test...
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Soil Acidity and Leaching
Students are introduced to the concept of acids and bases and arouse curiosity about acids and bases in daily life. They are introduced to the measurement of soil pH. Pupils are introduced to the effect of soil pH on nutrient cycling...
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Can Acid and Bases Remedy the Body?
Students experiment with acids and bases using technology-based "probe-ware", computers, and household products in this exciting biology/chemistry lesson plan. The lesson plan was written for an advanced 6th grade class.
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Discovering DNA Structure
High schoolers work on this paper lab in cooperative groups of four and manipulate nucleotides to discover the structure of DNA. When they have finished the lab, students have created model of DNA that can be hung on the ceiling. High...
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Acids and Bases: Together again!
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.
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Acids, Bases, and pH
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.
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Acids and Bases: Their Reactions, Conductivity, Base Indicators and Neutralization Reaction
Students conduct experiments and collect data to determine physical and chemical characteristics of acids and bases.
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The Blue Bottle: An Example of Teacher-Guided Inquiry
Learners observe a demonstration in which a bottle containing a colorless solution is mixed, turns blue, then becomes colorless again. They record observations, form and discuss hypotheses, and draw a conclusion based on the evidence.
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Bridging the Gaps Between the Three Worlds of Chemistry
Students examine the observed world, molecular world, and the symbolic world of chemistry. They observe a demonstration of the conductivity of solutions, describe the properties of acids and bases, and predict the outcome of solution...
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Auxin: Indole-3-Acetic Acid
Learners identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
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Chemistry: pH and pOH Calculations
In this pH instructional activity, students complete a graphic organizer by determining the pH and pOH of given solutions and then deciding if its an acid or base. Students write equations for dissociation reactions. This instructional...
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pH Basics
At some point, all science learners experiment with pH. In this brief lesson plan, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your students.
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Reactions of Benzene
For this chemistry worksheet, students write the products for each of the given reactions. Then they write N.R. if there is no reaction present. There are eight reactions to identify on the sheet.
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Acidity
Sixth graders describe the physical and chemical properties of acids. In this chemistry lesson, 6th graders test the acidity of different solutions. They identify acids and bases using the pH scale.
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Acids and Bases
Students study acid and bases and how they fall on the pH scale. In this solutions lesson students complete a lob activity using litmus then fill out a data table.
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Acid and Base Activities
Students experiment with acids and bases. In this elementary level chemistry lesson, students perform activities for testing acids and bases. They use universal indicator paper to determine which substances are acidic and which are...
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Soil Sample Lab
Young scholars test the pH of soil samples they collected from the field trip. In this chemistry lesson, students differentiate acids and bases. They write a lab report about the experiment.
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What is pH?
Students describe pH and the importance of it in the natural world. In this Biology lesson students compare the pH of different mixtures.
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How is the Strength of an Acid Determined?
Young scholars study acids and how they can be measured. In this acid lesson students distinguish the properties that create strong and weak electrolytes.
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Off Base
Students study La Chatelier's principle and identify how carbon dioxide may affect pH. In this coral lesson students complete a worksheet on pH and observe a lab.
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Cabbage Juice Indicator
Middle schoolers experiment with household solutions and classify them as a base or acid. For this exploratory lesson students complete a lab where they test products to see if they are an acid or a base.