During the class, circulate while students are comparing their explanations. Listen to see if they are able to explain cellular respiration at both the macroscopic and atomic-molecular scales. Use 4.2 Grading the Explanations Tools for Potato Cellular Respiration to grade your students’ work on the 4.2 Explanations Tool for Potato Cellular Respiration. At this point in the lesson, students should be held accountable for correct answers. Use Grading the Plants Matter Tracking Tool to grade the tool.
- Make sure students understand that the chemical energy in glucose (not the glucose itself) is converted to heat and light energy.
- Make sure that students discuss and understand all three columns of the Three Questions 11x17 Poster or Three Questions Handout. They play a central role in all Carbon TIME units.