What is the theme or topic to be presented?
Students will experiment with pH and create a tasty carbonated beverage that is less acidic than those found in stores.
Students will be able to:
• Create homemade pH test strips. (optional)
• Test the pH of various beverages and compare them to the pH of other
• Identify factors that contribute to the pH of a mixture.
• Apply their knowledge of pH to create their own soda with low acidity.
Year 11 Chemistry Standards:
4.9 Carry out an experiment to determine the pH of a solution.
Make Your Own pH Indicators
The following lab is for students to create their own pH test strips to be used in the Making Activity. While you can use pre-made pH indicators for the Making Activity, the homemade pH indicators are highly recommended, and provide another opportunity for hands-on learning.
• Red cabbage leaves
• 1-quart cooking pot
• 1-quart bowl
• Lab filter paper