Curated OER
Acids and Bases: Cabbage Juice Indicator
Fifth graders perform tests to identify acids and bases. In this chemistry lesson plan, 5th graders identify common household substances as acids or bases using cabbage juice indicator strips.
Teach Engineering
Red Cabbage Chemistry
Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply.
Discovery Education
By All Indications
How do people determine if something is acidic or basic? Learners make their own acid-base indicators using red cabbage and then determine the acidity and alkalinity of different substances. First, they test substances of known pH and...
Exploratorium
Indicating Electrolysis
Sure, your learners know water is made up of two molecules, but watching them separate helps the class see the construction like never before. This resource provides directions on how to build a simple electrolysis device using a...
American Chemical Society
Color Changes with Acids and Bases
Getting back to the beginning of the unit, learners use reactions with red cabbage juice to determine if solutions are acidic, neutral, or basic. This is a straightforward and classic investigation, but what you will appreciate is the...
Curated OER
pH and Red Cabbage Juice
Students review properties of materials and define what pH tells them about matter. In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.
Curated OER
Cabbage Juice Lab
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...
Teach Engineering
Basically Acidic Ink
If you don't want to drink red cabbage juice, here's another use for it—a decoder! Using vinegar and ammonia-based window cleaning liquids as invisible inks, scholars create designs in the second lesson of the series. Red cabbage juice...
LABScI
Acids and Bases: Cabbage Juice pH Indicator
Explore the range of pH using an assortment of household liquids. Scholars create their own pH indicators from cabbage and determine the pH of several liquids. To further their exploration, individuals use the same liquids to create...
DiscoverE
Everyday Engineering: Colorful Chemistry
Watch red cabbage juice turn green. Pupils first watch a video that takes them through the process of creating red cabbage juice. They then add various solids and liquids to the juice and use the color change to determine whether the...
Curated OER
RHS Campaign for School Indicator
Students study Ph and how acids and bases can affect it. In this indicators lesson students divide into groups and complete a lab activity to investigate what happens when they add indicators.
American Chemical Society
Neutralizing Acids and Bases
Now that your science class has experimented with pH indicator and identified acids and bases, they attempt to get the cabbage juice indicator back to its original color. This is done through neutralization of the acids and bases that...
Curated OER
Cabbage Juice Indicator
Students experiment with household solutions and classify them as a base or acid. In this exploratory lesson students complete a lab where they test products to see if they are an acid or a base.
Curated OER
Acids, Bases and Indicators
Students investigate the pH of various solutions with indicators. In this acids, bases and indicators lesson plan, students use a variety of indicators to test solutions for their pH. Students determine which indicators are the best to...
Curated OER
Indicators For Acids and Bases
Fourth graders compare the color of cabbage water when acids and bases are mixed in. For this acids and bases lesson plan, 4th graders use cabbage water and mix in acids and bases that the teacher prepares before hand. They observe the...
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
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. They make predictions that can be answered through scientific...
Curated OER
Fun With Chemical Changes
Looking for a terrific chemistry lesson plan for your 5th graders? This one could be for you! After a teacher-led demonstration, learners are broken up into groups and perform an experiment using cabbage juice, water, window cleaner, and...
California Academy of Science
Coral and Chemistry
Using cabbage juice as a pH indicator, future scientists explore the effect of increasing carbon dioxide on the pH of the ocean and relate it to the health of coral reefs. Ideal for an earth or environmental sciences course, this lesson...
Curated OER
Chemistry in Foods
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...
Herff Jones Education
Acids, Bases, and Indicators—Colorful Chemistry
Lead the class in a colorful exploration of acids and bases as they learn to differentiate between the two. They identify common items considered acidic and basic, then explore their strengths and weaknesses. They titer solutions and...
American Chemical Society
Chemistry Color Changers
Knowledge of acids and bases doesn't need to be a secret. Learners use red cabbage to create an indicator solution, then test how adding lemon juice (acid) and detergent (base) changes the color of the solution. They then use the concept...
Curated OER
Making A Natural pH Indicator
Students make their own pH indicator from red cabbage. Red cabbage contains a chemical that turns from its natural deep purple color to red in acids and blue in bases. Students boil the cabbage to get the pH indicator.
American Chemical Society
Powder Particulars
By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear....