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Lesson Plan
Curated OER

Acid (and Base) Rainbows

For Teachers 4th - 6th
Students are introduced to the differences between acids and bases and how to use indicators, such as pH paper and red cabbage juice, to distinguish between them. They make predictions that can be answered through scientific...
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Lesson Plan
Curated OER

Air, Air Everywhere! Lesson 2: Acid Rain

For Teachers 7th - 8th
Middle school environmentalists record the pH of four different liquids, including two aerosol cleaning products. They liken the products to acid rain and speculate in writing which might affect the human respiratory system. Although...
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Lesson Plan
Curated OER

Fatty Acids For Soap Making

For Teachers 9th - 12th
Learners titrate a sample of fatty acids with standardized sodium hydroxide solution. From the amount of base needed for neutralization and the mass of sample used for titration, the apparent average molar mass of the sample is...
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Worksheet
Curated OER

Science: Acid Base Quiz

For Students 6th - 8th
In this science:  acid base quiz worksheet, students answer 20 true or false questions, not interactively, about acids and bases, then scroll down to check their answers.
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Interactive
Royal Society of Chemistry

Indicators

For Students 6th - 12th
How do chemists know what indicator solution is the perfect match for the acid or base they're studying? Discover a rainbow of indicator-related properties with an Internet resource. Individuals relate the indicator solution to its...
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Worksheet
Curated OER

Quiz on pH, Acids, Bases, Alkalis, Neutralisation and Salts

For Students 10th - 12th
In this chemistry worksheet, students complete 5 multiple choice questions by selecting the correct answer from the drop down box.
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Lesson Plan
Curated OER

What is the Best Solution to Dye Easter Eggs?

For Teachers 4th - 8th
Learners use red and blue litmus paper to determine the category of common substances. They then set up an experiment using vinegar, water, and ammonia (or milk of magnesia) to determine that acids make the best solution for dyeing...
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Worksheet
Curated OER

Acid Base Neutralization Problems

For Students 10th - Higher Ed
In this acid base instructional activity, students calculate the concentration of solutions as products of acid and base reactions. This instructional activity has 9 problems to solve.
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Lesson Plan
Curated OER

Titration: Standardization of a Base and Analysis of Stomach Antacid Tablets

For Teachers 9th - 12th Standards
Titration experiments don't have to give your high schoolers a stomachache. Study the ways to titrate an acide with a base in an engaging science experiment, which involves creating solutions and performing titrations. Pupils...
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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...
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Lesson Plan
Kenan Fellows

Industrial Knowledge of Acids and Bases

For Teachers 9th - 12th Standards
Over a 10-year period, EPA regulations cost businesses less than $30 billion, while businesses saved over $82 billion. Scholars experiment with acids and bases to better understand the pH scale. Then they debate environmental regulation...
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Lesson Plan
Kenan Fellows

Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer

For Teachers 9th - 12th Standards
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
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Interactive
Chemistry Collective

Virtual Lab: Weak Acid and Base Problems

For Students 9th - Higher Ed Standards
You'll feel strongly about this weak acid and base virtual lab! Scholars experiment with the wonders of dissociation constants in a simulated lab environment. The accompanying written work includes buffer preparation, titration curves,...
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Interactive
Chemistry Collective

Virtual Lab: Acid Dilution Problem

For Students 9th - Higher Ed
There's no risk of injury when working with virtual HCl! Challenge your young chemists with making calculations to create a 3M solution of HCl from the concentrated acid. They first calculate the correct ratios of HCl and water and then...
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Worksheet
Curated OER

Acid-Base Equilibria

For Students 10th - Higher Ed
In this acids and bases worksheet, students calculate the equilibrium concentrations for acidic solutions. This worksheet has 5 problems to solve.
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Lesson Plan
Curated OER

Acid and Base Testing 2

For Teachers 5th - 8th
Students design and conduct an experiment on unknown solutions after studying descriptions of indicators and the way in which they identify acids and bases. Students must gather, organize, and analyze data as well as make inferences...
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Worksheet
Curated OER

pH: Acids and Bases

For Students 7th - 10th
In this scientific investigation learning exercise, students follow the provided procedures to examine the pH levels of acid and bases and then respond to 1 short answer question.
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Worksheet
Curated OER

Acids and Bases Crossword

For Students 8th - 12th
In this chemistry worksheet, students complete a crossword puzzle with 27 clues about acids and bases. Each clue lists number of letters for correct word.
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Worksheet
Curated OER

Answers for Acids and Bases Crossword

For Students 8th - 12th
In this chemistry worksheet, students are provided with the answers for a crossword puzzle with 27 clues about acids and bases.
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Lesson Plan
Curated OER

Acid-Base Titration

For Teachers 9th - 12th
High schoolers determine the concentration of an unknown solution. This task assesses students' abilities to state hypothesis, develop procedures for investigation, plan for recording and organizing observations and data, collect data,...
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Worksheet
Curated OER

Aqueous Acids and Bases - Titration

For Students 10th - 12th
In this titration worksheet, students determine the moles of product plus the molarity of the solution created. This worksheet has 6 problems to solve.
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Worksheet
Curated OER

Calculating pH

For Students 10th - 12th
In this pH worksheet, students are given information and directions as to how to calculate the pH of solutions. They use their calculators to find the pH of given solutions and apply what they learned about identifying acids and bases.
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Lesson Plan
Curated OER

How can pH be used to determine possible product tampering?

For Teachers 6th - 8th
Students 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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Worksheet
Curated OER

Cabbage Juice Lab

For Students 6th - 10th
In this acid and base worksheet, students use cabbage juice as an indicator to test the pH of various solutions. Students complete a table with the solution name, the color red and blue litmus paper turns, the color the cabbage juice...