During the cell unit of Advanced Placement biology, students are required to do three investigations (labs): Diffusion and Osmosis, Photosynthesis, and Cellular Respiration. Students work in groups of 3 to 4 to work through these investigations and analyze data. I often have them only turn in ONE copy of the lab guide because as a…
Education leaders often talk about mastery. Here’s what it means to me and how I can assess whether students have mastered content.