University of Illinois
University of Illinois Extension: Knowing Your World: Acid Precipitation
A brief article defining "acid precipitation," followed by directions for a hands-on demonstration which "show[s] the direct effect of acid water on plant growth."
University of Colorado
University of Colorado: Ph Et Interactive Simulations: University of Colorado: P H Scale
Review examples of macro and micro pH scales of a variety of substances available in a drop down menu. Create a solution to measure.
CPALMS
Florida State University Cpalms: Florida Students: Cooking With Chef Ragu: Acids, Bases, & Salts
Learn what makes a substance an acid or a base. Learn how salts are formed.
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...
CK-12 Foundation
Ck 12: Earth Science: Acid Rain
[Free Registration/Login may be required to access all resource tools.] The causes and effects of acid rain.
CK-12 Foundation
Ck 12: Plix: Scale Distances or Dimension: P H Concept
[Free Registration/Login Required] Arrange the items shown next to their corresponding pH value on the scale.
Sophia Learning
Sophia: P H Scale
A video tutorial introducing the pH scale as a representation of the concentration of protons. [4:45]
Other
Environment Canada: What Is Acid Rain?
A thorough explanation of acid rain with a focus on the following topics: what is acid rain, the pH scale measures acidity, what does acid rain do, and what can I do about acid rain.
US Environmental Protection Agency
Epa: Determining the P H of Common Substances
In this acid rain experiment the students will be "determining the pH of common substances." This is a great lesson plan for an experiment.
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.
Other
The Pedosphere and Its Dynamics: Intro to Soil Science
This Pedrosphere site provides a twelve chapter overview of soil science. Numerous topics are discussed and each chapter has a self-test to test your knowledge on the different aspects of soil science. Some chapters are only previews.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Unit 13: Acids and Bases
This online textbook provides learners with advanced-level material on acids and bases.
BBC
Bbc: Gcse Bitesize: Types of Chemical Reactions
This lesson focuses chemical reactions using acidic and alkaline solutions, the pH scale which measures the acidity or alkalinity of a solution, and how to use a pH meter. A link to an assessment is also provided.
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...
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.
Oklahoma State University
Oklahoma State University: Acid Base Overview
Beginning with the example of the hydrangea, this page gives a good overview of acid-base chemistry.
Simon Fraser University
Chem1 Virtual Textbook: Plotting the P H
Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with coordinating pH graphs.
Museum of Science
Miami Museum of Science: P H Panel
Try putting different liquids into a virtual pH tester to find out whether they are acids or bases.
PBS
Pbs Teachers: Scientific American: About All You Can Eat: Superfoods
Explore the advent of corn as a nutritional staple in the human diet. Observe popping corn and measure differences in the mass of the corn before and after heating, and make pH indicators using fruit, flowers or vegetables.
CK-12 Foundation
Ck 12: Plix: P H Concept
[Free Registration/Login Required] Arrange the household items so that their pH corresponds to the scale.
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."
Science4Fun
Science4 Fun: Acids and Bases
Resource discusses acids and bases, pH scale, and how harmful they are.
Science Fun for Everyone
Science Fun: Fizzy Fruit and P H Indicator
Make your own ph indicator and mix it with some baking soda and notice a reaction occur.