“…Previous research has demonstrated that teachers participating in our PD have had significant, large affective learning gains on the Colorado Learning Attitudes about Science Survey (CLASS) (Robertson & Daane, ). Other research about our PD has documented teachers’ learning through the study of productive conversations about energy concepts (such as representations, degradation, dissipation, and conservation) (Alvarado, Daane, Scherr, & Zavala, ; Daane, McKagan, Vokos, & Scherr, ; Daane, Vokos, & Scherr, , , ).…”