Khan Academy
Khan Academy: Bronsted Lowry Acid Base Theory
Understand the definition of Bronsted-Lowry acids and bases, strong and weak acids and bases, and how to identify conjugate acid-base pairs.
Chem4kids
Chem4 Kids: Acids & Bases
This Chem4Kids site provides a general overview of acids and bases, and their use in chemistry. Content focuses on "names to know" and how acids and bases work.
Other
The Acids, Alkalis and Salts Crossword
Test your chemistry knowledge with this exciting hands-on online crossword puzzle. Creative Chemistry has developed an on-line game for teachers to utilize in their classrooms.
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.
Khan Academy
Khan Academy: P H, P Oh, and the P H Scale
Definitions of pH, pOH, and the pH scale. Practice calculating the pH of a strong acid or base solution. Learn the relationship between acid strength and the pH of a solution.
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...