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Worksheet
Curated OER

Acid-base Indicators

For Students 8th - 12th
There is a chart to complete with results of the titrations for the 14 different pH indicators.  There are also nine questions for data analysis, and then four problems requiring equations, molarities, and pH values.
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Worksheet
Curated OER

Radiochemistry

For Students 9th - 12th
In this radiochemistry worksheet, students read about how scientists learn more about elements using radioactive isotopes. Students answer three critical thinking questions about the reading and radiochemistry.
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Lesson Plan
Curated OER

Acidity of Foods

For Teachers 9th - 12th
Students investigate the acidity of foods using titration. For this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point....
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Lesson Plan
Curated OER

Protein Assays: Bio Rad and Page Gels

For Teachers 10th - 12th
Students conduct the Biuret Test and the Bio Rad Protein Assay. They examine the spectrophotometer and graph molecular weights and the concentrations of the proteins investigated. They prepare solutions for the Bio-Rad test and use the...
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Worksheet
Curated OER

Complex Equilibria Quiz

For Students 10th - Higher Ed
In this equilibrium worksheet, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
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Worksheet
Curated OER

WS 10.10 Salts and Buffers

For Students 10th - 12th
In this salts and buffers activity, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
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Worksheet
Curated OER

Solutions Review

For Students 10th - 12th
In this solutions worksheet, students review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
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Lesson Plan
Curated OER

Acid-Base Titrations without Burets

For Teachers 12th - Higher Ed
Students analyze the level of acid and base in a titration. In this chemistry lesson, students investigate the amount of acid and base required to create certain household chemicals. They perform this activity without the use of burets.
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Lesson Plan
Curated OER

Why Are Cells So Small?

For Teachers 9th - 12th
Students examine the relationship between cell surface area and the ability of materials to diffuse through a cell. They participate in an experiment in which they determine which materials diffuse easier than others. They complete...
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Lesson Plan
Curated OER

Measuring Reaction Rates

For Teachers 10th - Higher Ed
In this chemical reaction worksheet, students determine the rate of consumption or rate of production for given reactions. This worksheet has 14 problems to solve.
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Lesson Plan
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Teaching Avogadro's Number

For Teachers 9th - 12th
Students design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
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Lesson Plan
Curated OER

Colorimetric Assay

For Teachers 9th - 12th
Students review the basic lab techniques by following lab procedures. They analyze data by using raw data gathered. Students comprehend the processes occurring inside the column. They use specific chemicals to help determine the...
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Worksheet
Curated OER

Plasmasphere

For Students 10th - 11th
In this plasmasphere worksheet, students determine how long the plasmasphere takes to rotate around the Earth using two satellite images taken three hours apart.
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Lesson Plan
Curated OER

Microbial Spoilers: The Impact of Microorganisms on the Shelf-life of Milk

For Teachers 5th - 8th
Students are inroduced to a commonly used microbial culturing technique. They explore the role of microorganisms in determining the shelf-life of food products.
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Lesson Plan
Curated OER

Spectrophotometric Determination of an Equilibrium Constant

For Teachers 9th - 12th
Learners determine the equilibrium constant for a chemical system and use graphing techniques and data analysis to evaluate experimental data.