Investigating Phenomena: What Causes pH Color Changes?

by carolinastaff
pH strip

Carolina Phenomenon

Phenomena-driven science! Phenomena are observable, naturally occurring events that are everywhere and spark student questions and investigations. Ask students to observe the DCI-linked phenomenon in the video and complete the attached student sheet prior to remote learning discussions.

Observations: Carefully watch the pH color change video. Gather all the evidence you can from the video, and write down everything you observe.

Generate Questions: What makes the color change? Why does the color change from blue to red to green and back to blue? Why does the original color come back?

Research (include sources):

Final Explanation: Use a written explanation, graphic, or flow chart to present your final explanation for the pH color changes.

Carolina ChemKits®: Milk of Magnesia Rainbow

You may also like

Leave a Comment

* By using this form you agree with the storage and handling of your data by this website.

Subscribe to Newsletter

Sign up for free resources delivered to your inbox!

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More