Curated OER
Household Acids and Bases
Ninth graders complete an experiment to determine the pH values of a variety of common household substances. They use red cabbage to find the indicator colors of the pH range. They complete a data table that includes a prediction and...
Royal Society of Chemistry
pH and pOH
Feeling a little neutral about your pH and pOH teaching strategy? Perk it up with engaging puzzles! Young scientists relate ion concentration to pH and pOH, as well as the dissociation constant for water. The resource is available as an...
Curated OER
Chemical Volcano
Pupils observe a demonstration performed by the teacher. They examine of a series of acid/base reactions and discover how various indicators work.
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
Curated OER
How much Carbon Dioxide is in My Seltzer Water?
Students discover the law of conservation of mass though experimentation. In this chemistry lesson, students experiment with acid - base indicators to determine the presence of carbon dioxide. Students complete the labs with...
Curated OER
pH Lab
In this pH worksheet, students experiment with dilutions of acidic solutions to test for the pH using cabbage as an indicator. They then test a variety of substances for pH. On day two of the lab, they test conductivity of solutions and...
Curated OER
What Is In The Cup?
High schoolers investigate the mixtures of solutions. They utilize cups filled with bases and acids. Students test and determine the pH of each cup. The multiple cups are compared to each other in order to chart acids and bases according...
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.
Curated OER
Chemistry Worksheet 3
In this chemistry worksheet, students determine the pH of several given solutions. Students label indicated substances as either acids or bases according to Bronsted-Lowry theory.
Curated OER
Acids And Bases -- Universal Indicator
Eighth graders design and perform an experiment that uses a Universal Indicator Color Guide to measure the strength of acids and bases. They also determine happens when acids and bases are mixed together. They decide which of three...
Curated OER
Why Does Alka-Seltzer Make Your Upset Stomach Better?
Students examine and discuss the types of acids found in the stomach. They determine Alka-Seltzer is an acid based on tests. They discuss how this type of acid makes one stomach feel better.
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...
American Chemical Society
Chemical Reactions and Color Change
Colors are more than just a pretty effect. Learners explore what color change means in terms of chemical properties and reactions. They create a pH solution using cabbage leaves and observe the changes when acids and bases are added.
Carnegie Mellon University
Ocean Acidification
After brainstorming what they know about ocean acidification, youngsters place eggs in acid to determine the effects on calcium-containing organisms, and add carbon dioxide to solutions with sea shell material to discover the impact on...
Curated OER
Acidic Apples and Basic Belches
Students determine whether everyday consumables are acidic or bases. They investigate, in groups, the difference between acids and bases. They determine which substance tested would be most effective in treating heartburn and why.
Curated OER
Determining pH
Students evaluate pH levels through a solubility experiment. In this pH levels lesson, students list characteristics of acids and bases. Students complete their own pH level experiment. Students go to the GEMS Alien Juice Bar website to...
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
Acidity of Soda Pop
Students conduct an experiment to determine the acidity of three different brands of soda by adding a known volume of base until a pink color appears in the reaction vessel. They test fresh and flat soda, observe any differences, and...
Curated OER
Measuring pH
Students perform an experiment which will illustrate how to measure the approximate pH of chemicals in water using a pH indicator. They understand that a pH indicator is a chemical that changes color when it comes in contact with acids...
Curated OER
CLEAN AIR ACT (1990)
Students investigate the effects of acid rain by conducting an experiment with bean sprouts and graph the results. In this Environmental Policy lesson, students visit a museum to identify examples of foreign and domestic policy on...
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
Acids, Alkalis, and Salts
In this acids worksheet, students review the definition of acids, bases, and salts. Students describe the differences between acids and alkalis and define neutralization. This worksheet has 2 short answer and 1 problem to solve.
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium...
Royal Society of Chemistry
pH 4: Activity
Sometimes playing games in class isn't a bad thing. Science sleuths evaluate and calculate pH and pOH with an online resource. They then manipulate concentration information and relate it during a series of puzzles.