Curated OER
Chemical Magic
Students identify acids and bases. In this chemistry lesson, students use red cabbage juice as an indicator of whether the liquid is an acid or base. Students discuss the results.
Curated OER
The Colors of Chemistry
Young scholars investigate the acidity and alkalinity of common household products in an experiment. They use red cabbage juice and litmus paper to show the difference between strong acids and bases as they work with vinegar, dish...
Curated OER
Natural Indicators: How Do They Work?
Students 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 observe...
American Chemical Society
Comparing the Amount of Acid in Different Solutions
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...
Curated OER
Chemistry is pHun
Students investigate the pH of solutions and they learn how to use different types of indicators. In this pH lesson plan, students test various solutions with pH paper and determine if they are acidic, basic or neutral. They also test...
Curated OER
Acid Rain Environment Pollution
Young scholars combine different materials to create chemical reactions. In this chemical reaction lesson plan, students will combine different materials to create chemical reactions and define these results as acids or bases. They will...
Curated OER
Determining Acids and Bases
Students test various liquids and identify as acids or bases. In this chemistry and pH lesson, the students use purple cabbage indicator to test a variety of teacher-provided substances, then bring in liquids from home to test acidity....
Curated OER
Sour and Bitter: Acids and Bases
Tenth graders distinguish between acids and bases. For this pH lesson, 10th graders view a PowerPoint and discuss the characteristics of an acid and a base. They investigate natural substances to determine the pH level of each.
Curated OER
Water Quality and Environmental Pollution
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...
Curated OER
Acids and Bases
Students 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.
Curated OER
The Heat is On!
Fifth graders investigate evidence for changes in matter that occur during a chemical reaction.
Curated OER
Paint Property Experiments
Students identify various kinds of paints by using the scientific method. In this solvents lesson students collect data and identify paint samples while working in teams.
Curated OER
ChromaCool!
Fifth graders watch a video about physical and chemical changes. In groups, they participate in a variety of activities involving color. They write their observations in a journal. To end the lesson, they use a checklist to classify...
Curated OER
Mystery Paint
Students use the scientific method to determine the properties of various kinds of paints, use collected data to identify paint samples that are not properly labeled and use proper science safety techniques while working with chemical...
TeachEngineering
Teach Engineering: Red Cabbage Chemistry
Students take advantage of the natural ability of red cabbage juice to perform as a pH indicator to test the pH of seven common household liquids. Then they evaluate the accuracy of the red cabbage indicator, by testing the pH of the...
US Environmental Protection Agency
Epa: Making a Natural P H Indicator
At this site you will find a step by step process for making a natural pH indicator. One of the main materials you need to have on hand is a red cabbage.
![Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf] Activity")
TOPS Learning Systems
Tops Learning Systems: Top Science: Cabbage Chemistry [Pdf]
Experiment using water from boiling red cabbage to determine if a material is an acid, a base, or neutral.
American Chemical Society
Inquiry in Action: Color Changes With Acids and Bases
In this lab activity, students will learn how red cabbage can be used as an indicator of an acid or base by looking at its color changes.
TeachEngineering
Teach Engineering: Basically Acidic Ink
Students hypothesize whether vinegar and ammonia-based glass cleaner are acids or bases. They create designs on index cards using these substances as invisible inks. After the index cards have dried, they apply red cabbage juice as an...
![Cosi Columbus: Cabbage Patch Chemistry [Pdf] Activity](http://content.lessonplanet.com/resources/thumbnails/410122/large/bwluav9tywdpy2symdiwmduymc0ynde4oc0xzxmzchv6lmpwzw.jpg?1589985500 "Cosi Columbus: Cabbage Patch Chemistry [Pdf] Activity")
Center of Science and Industry
Cosi Columbus: Cabbage Patch Chemistry [Pdf]
Make your own indicator by using red cabbage leaves and common household items. Includes full list of materials, procedures, and scientific explanation of how to determine if a substance is acidic, basic, or neutral based on the colors...
Science Buddies
Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
Science is Fun
University of Wisconsin: Exploring Acids and Bases
Get a brief overview of acids, bases and pH. Explore the pH of a number of different household substances using an extract of red cabbage.
TeachEngineering
Teach Engineering: Acid (And Base) Rainbows
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.