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Worksheet
Curated OER

Acid or Base? Toxie's On The Case!

For Students 5th - 6th
In this chemistry worksheet, students read about the differences between substances that are acids and bases. They read about Litmus dye and the pH scale. They experiment with six household substance by testing them with litmus paper to...
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Worksheet
Curated OER

Unit 7 Acid and Base

For Students 9th - 12th
A series of 25 multiple choice questions is presented to chemistry learners to review properties of acids and bases. A page of notes precedes the questions and contains information about the Arrhenius and Bronsted-Lowry definitions,...
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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

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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Worksheet
Curated OER

Acids and Bases Crossword

For Students 8th - 12th
For 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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Worksheet
Curated OER

Cabbage Juice Lab

For Students 6th - 10th
In this acid and base learning exercise, 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...
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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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Lesson Plan
Curated OER

What is pH and Why is it Important?

For Teachers 3rd - 8th
Students investigate acids, bases, and pH, and related this knowledge to the problem of acid deposition.
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Lesson Plan
Curated OER

Investigating Acidity

For Teachers 1st - 8th
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.
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Lesson Plan
Curated OER

Chemistry in Foods

For Teachers 7th - 9th
Students investigate foods that are indicators, and acids and bases. In this food chemistry lesson plan, students test household products with litmus paper and with food indicators. They use blackberry, onion and red cabbage indicators...
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Lesson Plan
Curated OER

Electrolytic Titration

For Teachers 6th - 8th
Students observe an electrolytic titration using a conductivity tester. In this titration activity, students observe a solution of acid conducting electricity using the conductivity apparatus. They observe the acid solution being...
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Lesson Plan
Curated OER

Acids and Bases

For Teachers 7th - 12th
Learners 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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Lesson Plan
Curated OER

An Introduction to Acids and Bases

For Teachers 1st - 2nd
Students explore acids and bases. In this lesson about acids and bases, students do an experiment to test certain items to determine what they are. Students use cabbage and litmus paper as indicators. Students understand how to sort the...
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Lesson Plan
Curated OER

Water Quality and Environmental Pollution

For Teachers 5th - 8th
Learners use litmus paper to begin to discover the qualities of acids and bases. They learn about pH by testing clear liquids for acidity with purple cabbage juice as an indicator. The video Streamkeeper, with Bill Nye, and other video...
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Lesson Plan
Curated OER

Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base

For Teachers 7th - 10th
Young scholars 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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Worksheet
Curated OER

pH Pre-Lab: Acids and Bases

For Students 9th - 12th
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
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Worksheet
Curated OER

Acids and Bases-pH Experiment

For Students 9th - 12th
In this chemistry lab learning exercise, student use pH paper to test the pH of common household items. After collecting and charting their data, they complete 12 follow-up questions.
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Lesson Plan
Curated OER

Determining pH

For Teachers 8th
Eighth graders explain the difference between acids, bases and neutral solutions. In this chemistry lesson, 8th graders describe the properties of each. They determine the pH of an unknown solution using the indicator paper and pH scale.
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Lesson Plan
Curated OER

The pH scale

For Teachers 4th - 6th
Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.
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Lesson Plan
Curated OER

What is the Best Solution to Dye Easter Eggs?

For Teachers 4th - 8th
Young scholars 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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Lesson Plan
Curated OER

Natural Indicators: How Do They Work?

For Teachers 8th - 12th
Young scholars describe characteristics and common uses of acids and bases. They describe the role of natural indicators in the chemistry of acids and bases after testing and making observations on a variety of plant extracts. Students...
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Worksheet
Curated OER

Acid Base

For Students 10th - Higher Ed
In this acid and base worksheet, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This worksheet has 16 multiple choice questions and 3 problems to solve.
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Lesson Plan
Curated OER

Acids and Bases

For Teachers 10th - 12th
In this acids and bases worksheet, students compare the properties of acids and bases. Students determine the concentrations required to neutralize solutions. This worksheet has 1 word problem and 14 multiple choice questions.

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