Theme

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.
 

Learning Objectives

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

substances.

• 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.
 

Key Vocabulary:

• Acid

• Base

• Alkaline

Make Your Own pH Indicators

Teacher’s Note:
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.

Materials:

• Red cabbage leaves

• 1-quart cooking pot

• Water

• 1-quart bowl

• Strainer

• Lab filter paper