During the class, circulate while students are comparing their explanations. Listen to see if they are able to explain methane burning at both the macroscopic and atomic-molecular scales. Use the 5.2 Grading Explanations Tools for Methane Burning to grade your students’ work on the 5.2 Explanations Tool for Methane Burning. This worksheet accompanies explanations tools for all examples of combustion in this unit.
At this point in the lesson, students should be held accountable for correct answers.