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Cabbage Juice Indicator
Learners experiment with household solutions and classify them as a base or acid. In this exploratory lesson students complete a lab where they test products to see if they are an acid or a base.Â
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pH
Students test the pH of various solutions. In this pH lesson, students use litmus paper to test the pH of household solutions. They compare their results with book charts.
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Digestion Experiment
In this digestion experiment learning exercise, students follow the procedures to set up an experiment about stomach digestion using pH paper to test for acidity.
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pH Practice
In this pH learning exercise, students calculate the pH and determine the pOH for given solutions. This learning exercise has 6 problems to solve.
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Goggle Safety
In this goggle safety worksheet, pupils describe different types of eye injuries. They observe pictures of eye injuries and list six different types. This one-page worksheet contains five problems.
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Salts
In this salts worksheet, students read how salts are created and how different acids make different salts. This worksheet has 1 graphic organizer and 7 short answer questions.
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Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
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pH and pOH Calculations
In this acids and bases worksheet, students calculate the pH or pOH of given amounts of different chemical compounds. This worksheet has 13 problems to solve.
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Bronsted Acids and Equilibria
In this acids and bases worksheet, young scholars give the Arrhenius and Bronsted definitions of an acid and base. Students determine the conjugate acids and bases and determine the stronger acids or bases from given compounds. This...
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Indicators
In this indicators worksheet, students write equilibrium equations, determine the pH at the transition point of the indicator, and calculate the value of pKa. This worksheet has 7 problems to solve.
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Chemical Equations
In this chemical equations learning exercise, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This learning exercise has 21...
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Buffers
For this buffers worksheet, students calculate the pH of buffer solutions and compare the pH after solutions are added together. This worksheet has 6 problems to solve.
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Salts
In this salts worksheet, students compare acids and bases and how salts are formed in the neutralization reaction between acids and bases. Students rank salts in order of increasing pH. This worksheet has 8 problems to solve.
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Common Ion Effect
For this ion effect worksheet, students use the Henderson-Hasselbalch equation to calculate the pH of a reaction during the different steps. This worksheet has 7 problems to solve.
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Solutions, Electrolytes and Concentration
In this solutions worksheet, students compare strong electrolytes and weak electrolytes. Students calculate concentration and molarity of given compounds. This worksheet has 8 problems to solve.
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Buffers
In this buffers worksheet, learners determine which conjugate pairs would be appropriate to preparing a buffer at a specific pH. This worksheet has 6 problems to solve.
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Precipitation, Acids and Bases, and Molarity
In this chemistry worksheet, students write the net ionic equations for any precipitation reactions that occur on mixing aqueous solutions for each of the substances listed. Then they write the net ionic equations for the acid/base...
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Science Safety Rules
For this chemistry worksheet, students read the paragraphs on the sheet to locate the broken safety rules. Then they underline each one of these and count how many they found.
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Nomenclature Worksheet
In this chemistry worksheet, students write the appropriate chemical name for the 15 compounds listed. Then they write the appropriate chemical formula for the 15 compounds listed.
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Biocomplexity Lab Activity: Measuring Water pH
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 acid or base. They define the term pH.
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Soiled Again
Learners propose and perform an experiment using the scientific method. The purpose of the experiment is to discern some earth materials or combinations of earth materials that best increases the pH of "acid rain". From the results of...
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Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base
Students experiment to determine the difference between an acid and a base. They study the concept of adding a buffering agent to make an acid more basic. They study the pH scale.
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HOW IS PH DETERMINED?
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.
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Investigating Acidity
Learners classify liquids as an acid, base or neutral. They use purple cabbage juice as an indicator to test several liquids in order to group them as acids, bases or neutrals.