University of Colorado
University of Colorado: Ph Et Interactive Simulations: Basics
Test the pH of everyday liquids such as coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Investigate how adding more of a liquid or diluting with water affects pH.
Museum of Science
The P H Factor
This is a great source of chemistry experiments and information dealing with pH. Learning objectives are provided to explain the basis for each activity. Japanese and Chinese versions are also provided.
American Chemical Society
Middle School Chemistry: Neutralizing Acids and Bases
Students will use citric acid and sodium carbonate solutions to see that adding a base to an acidic solution makes the solution less acidic. Students will then use a base to help them identify which of two acidic solutions is more...
CK-12 Foundation
Ck 12: Acid Base Neutralization
[Free Registration/Login may be required to access all resource tools.] Students will understand and differentiate among acid-base reactions, precipitation reactions, and oxidation-reduction reactions.
Science Buddies
Science Buddies: How Does Soil Affect the P H of Water?
Did you know that soils can be alkaline, neutral, or acidic? Most plants grow best in soil near neutral pH, but some plants prefer slightly acidic and others slightly alkaline soil. What is the pH of the soil in your garden? What happens...
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.
US Environmental Protection Agency
Epa: Measuring P H Experiment
This is an activity that deals with acid rain. "This experiment will illustrate how to measure the approximate pH of chemicals in water using a pH indicator." It is easy to follow the comprehensive set of directions.
CK-12 Foundation
Ck 12: Salt Solutions
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
Science Education Resource Center at Carleton College
Serc: Investigating P H of Common Household Substances
Students investigate the pH level of household substances by testing a variety of common compounds. Substances are tested with pH strips and placed on the continuum of the pH scale range of 1 to 14. After testing a solution, the student...
![Sophia: Converting Among P H, [H+], P Oh and [Oh ] Unit Plan](https://content.lessonplanet.com/knovation/original/218736-4f79e25d5f5c2bcb250d718e8ac1dcc2.jpg?1661182808 "Sophia: Converting Among P H, [H+], P Oh and [Oh ] Unit Plan")
Sophia Learning
Sophia: Converting Among P H, [H+], P Oh and [Oh ]
This video screencast shows how to convert among pH, [H+], pOH and [OH-], providing several examples. [7:30]
US Environmental Protection Agency
Epa: Measuring the P H of Natural Water
How acidic is your water? "In this experiment, you will measure the pH of natural water located near your home or school."
Chem Tutor
Chem Tutor: Chemistry: Titration and P H Math Problems
This is a titration and ph math problem exercise; the answers are also provided.
BBC
Bbc: Gcse Bitesize: Acids, Alkalis and Salts Aqa
This lesson focuses on acids and alkalis including acidic and alkaline solutions, neutral solutions, indicators and the pH scale, the colors for litmus paper, and a link to a test.
Other
Nearpod: Exploring Acids & Bases
In this lesson on exploring acids and bases, students will explore the pH scale and how is it related to acids and bases by learning key vocabulary terms and visuals related to the chemical process of neutralization.
Texas Instruments
Texas Instruments: Jason: When P H Changes, What Happens?
JASON Aquatic Field Study: Explore how the pH of an aquatic site determines if the water is acidic, basic, or neutral by performing an experiment at a local aquatic site to measure the pH level.
PBS
Pbs Teachers: Kitchen Chemistry
Conduct a series of virtual experiments using basic, acidic and neutral household liquids. Draw a conclusion from the results collected in an online lab journal.
Chem4kids
Chem4 Kids: Reactions: Names to Know
Acids and bases are scaled. These facts are good knowledge to have when classifying solutions as acidic, basic, or neutral.
TeachEngineering
Teach Engineering: Not So Neutral Views
Students are introduced to acids and bases, and the environmental problem of acid rain. They explore ways to use indicators to distinguish between acids and bases. Students also conduct a simple experiment to model and discuss the...
Frostburg State University
General Chemistry Online: Faq: Acids and Bases
Click the basic questions regarding acids, bases, and pH to view the answers. There are sections on basic concepts, buffer solutions, pH calculation, equilibrium constants, indicators, neutralization reactions, and titrations.
City University of New York
P H and Indicators: Interactive Investigation
The story of the dye industry is used to introduce pH and how it is measured and calculated.
Vision Learning
Visionlearning: Chemical Relationships: Acids and Bases
An explanation of historical ideas that lead to the current day concepts of acids and bases. The Concept of pH is briefly introduced.
Wyzant
Wyzant: Acids and Bases
This site presents everything you need to know about acids and bases and more! Gives a nice description on what acids and bases are, properties of both, strong and weak acids and bases, an overview of pH, and much more.
American Chemical Society
Middle School Chemistry: Chapter 6: Chemical Change
Twelve interactive chemistry lessons about chemical changes complete with handouts and animations.
BBC
Bbc: Gcse Bitesize: Types of Chemical Reactions
Bases are substances that can react with acids and neutralize them. Alkalis are bases that are soluble in water. The pH scale measures how acidic or alkaline a substance is. Substances with a pH lower than 7 are acidic, those with a pH...