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Worksheet
Curated OER

Quantitative Analysis of Vinegar Lab

For Students 10th - 12th
In this quantitative analysis activity, students perform a lab to determine the amount of acetic acid in vinegar by doing a titration. They use an indicator phenolphthalein to determine the endpoint of the titration.
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Lesson Plan
Curated OER

Quality Control at Kality Krunchers Dill Pickle Factory

For Teachers 9th - Higher Ed
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
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Lesson Plan
Nuffield Foundation

Investigating the Effect of Temperature on the Activity of Lipase

For Teachers 9th - 12th
How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...
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Lesson Plan
Virginia Department of Education

The Ratio of Surface Area to Volume

For Teachers 9th - 12th Standards
Demonstrate the ratio of surface area to volume in your high school class by using phenolphthalein, gelatin, and an onion. Intrigue the class by leading a discussion on osmosis and diffusion, then making "scientific jello." Participants...
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Lesson Plan
Curated OER

Acid-Base Titration

For Teachers 9th - 12th
Students determine the concentration of an acid using titration. In this acid-base titration lesson plan, students determine the concentration of an unknown hydrochloric acid solution using phenolphthalein as an indicator and a known...
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Lesson Plan
Curated OER

More Acid-Base Indicators

For Teachers 6th - 8th
Learners 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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Lab Resource
Royal Society of Chemistry

A Microscale Acid-Base Titration

For Teachers 6th - 12th Standards
Watch as acids and bases put smiles on their faces. Young chemists learn the concept of acid-base titration firsthand in a microscale experiment. Working groups collaborate, titrate, then use their data to determine the concentration of...
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Lesson Plan
Curated OER

Infectious Disease Detectives

For Teachers 6th - 8th
Students participate in a simulation of how diseases are transmitted. Each student holds a test tube, with only one containing the "disease" while the others have water. They move around the room until told to stop. Using droppers to...
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Lesson Plan
Curated OER

Viral Hijackers

For Teachers 7th - 10th
Learners discover how viruses effect living organisms. Focusing on HIV, they explain why it is unique and how it attacks the immune system. They simulate the spread of viruses through an experiment using water containing sodium...
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Lesson Plan
Curated OER

Invisible Ink

For Teachers 6th - 8th
Students wxplore acids and indicators by watching a demostration in which "magic" ink appears. They duplicate the demonstration by writing magic messages using phenolphthalein solution and painting the message with vinegar to show it.
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Lesson Plan
Curated OER

A Simulation of the Spread of HIV

For Teachers 9th - 12th
Pupils participate in a simulation to illustrate the spread of HIV. They use phenolphthalein, water and test tubes to simulate the spread of the virus and discuss results and variables after the activity.
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Lesson Plan
Curated OER

How Germs Spread

For Teachers 6th - 8th
Pupils conduct a test to help them visualize the spread of germs. They identify that a pandemic is an epidemic (an outbreak of an infectious disease) that spreads across a large region or even worldwide. Finally, students state whether...
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Lesson Plan
Curated OER

Invisible Ink - Demonstration

For Teachers 6th - 10th
Young scholars observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal...
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Lesson Plan
Curated OER

Virus Tracker

For Teachers 6th
Sixth graders will simulate the spread of a virus such as HIV through a population by "sharing" (but not drinking) the water in a plastic cup with several classmates. Although invisible, the water in a few of the cups will already be...
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Lesson Plan
Curated OER

Vision Props of Signed Numbers

For Teachers 10th - 12th
Young scholars explore the concept of titration. In this titration lesson, students observe acid and alkaline reacting. Young scholars discuss pH factor, measuring acidity, neutrality, and alkalinity of liquids. Students put the pH of...
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Lesson Plan
Virginia Department of Education

Mystery Iron Ions

For Teachers 9th - 12th Standards
Young chemists perform an experiment to determine if a compound is iron (II) chloride or iron (III) chloride. Then they determine the formula, balance the equation, and answer analysis questions. 
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Lesson Plan
Curated OER

The Alkaline Earth Metals

For Teachers 9th - 12th
Students investigate the characteristics of alkaline earth metals. In this alkaline earth metals lesson plan, students experiment with a variety of alkaline earth metal compounds and perform tests to observe their properties. Students...
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Lesson Plan
Virginia Department of Education

Viruses

For Teachers 9th - 12th Standards
Germs, parasites, and viruses, oh my! Facilitate a lesson on viruses as individuals explore functions of Archaea, Bacteria, and Eukarya. They learn how viruses compare with other organisms in nature and how they contribute to health...
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Lesson Plan
Curated OER

Cholera and the Scientific Method

For Teachers 6th - 8th
Five individuals in the class are "infected" with cholera! The rest of the class serves as investigators to discover the source of the outbreak. They test drinking fountains around campus for contamination. You, of course, will secretly...
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Lesson Plan
Curated OER

The Spread of Aids

For Teachers 9th - 12th
This is an effective simulation of how communicable diseases such as AIDS can be spread throughout a population. Classmates exchange samples from their individual cups of liquid: one of them containing a dilute NaOH solution, and the...
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Lab Resource
Pingry School

Determination of the Molar Mass of an Unknown Acid

For Students 9th - 12th Standards
Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment document...
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Lesson Plan
Santa Monica College

Titration of Vinegar

For Teachers 9th - Higher Ed Standards
Titration calculations require concentration. The 10th activity in an 11-part series challenges young chemists to use titration in order to determine the molarity and mass percent in concentrated vinegar. Analysis questions encourage...
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Lesson Plan
Virginia Department of Education

Aspirin Analysis

For Teachers 9th - 12th Standards
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand. 
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Lesson Plan
Curated OER

Solubility Product of a Hydroxide

For Teachers 9th - 12th
High schoolers determine the solubility product constant and the concentration of a hydroxide. In this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric acid....

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