Amazing Colors - Students Test Acids & Bases
Students boiled red cabbage to extract the purple juice and used the juice as a pH indicator. They tested a number of solutions with the juice, as well as with pH paper, to determine the acidity and basicity of each solution. The juice turned different colors according their pH. It almost looked like they were dyeing Easter Eggs, with so many different color solutions. Colors spanned from red through every color of the rainbow including shades of blue, green, yellow and purple. Although many acids are edible, students learn they should never taste chemicals in the lab to determine the identity of a substance.
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Located in Los Angeles, CA, Berkeley Hall School is a private, coeducational school for students in preschool through grade 8. Rigorous academics in a supportive atmosphere and grounded character development allow students to become fearless scholars and conscientious citizens - gain a love of learning, leadership with social responsibility, creativity with moral integrity, and self-esteem with compassion for others and the environment.