Jim Bruner 6/10/26 Jim Bruner 6/10/26

Understanding the pH Scale

This is a Design Challenge for Understanding the pH Scale. In this design challenge we will create Universal Indicator from red cabbage Anthocyanin. Then we will test seven different materials.

Jim Bruner 12/4/25 Jim Bruner 12/4/25

STEM Day at CAHS

This post is a section of my fantastic intern, Marcus’, presentation at Columbus Alternative High School. Marcus and I planned this presentation, and Marcus and I taught the first iteration. We succeeded and failed and now we know more. We will be presenting again next Wednesday.