Photo Essays: Elementary and High School Educators in Chicago: University-of-Chicago-Laboratory-Schools---High-School-Science-Teacher---Zack-Hund-_002

High school Science teacher Dr. Zachary Hund adjusts the height of a crucible holder for a student as he performs a decomposition of sodium bicarbonate stoichiometry laboratory experiment during a Chemistry class at the University of Chicago Laboratory Schools, November 9, 2016.

High school Science teacher Dr. Zachary Hund adjusts the height of a crucible holder for a student as he performs a decomposition of sodium bicarbonate stoichiometry laboratory experiment during a Chemistry class at the University of Chicago Laboratory Schools, November 9, 2016.