I met some amazing teachers at Chem Ed 2019. Two of these teachers are Yvonne Clifford and Sharon Geyer who ran a workshop about chemical demonstrations. One in particular caught my attention. The demonstration was an exothermic process with paraffin wax. Here is the demonstration.
HS-ESS2-4 Energy Flow
From the misconceptions fostered by the biology textbooks using the phrase “high-energy phosphate bond” to idea that energy comes in different forms, the Modeling community recognizes the challenges of teaching the energy concept and has developed a way of talking about energy designed to help students construct a consistent and cohesive model.