I think the initial implementation of the diagram was "messy" but students participated well. They will anticipate the final product more completely with the next unit, so I expect their suggestions during the lesson will be more on point.
Link to log: https://drive.google.com/file/d/0B2B8GvAFCXAbY2dmVHowUGpHZE0/view?usp=sharing
Link to log: https://drive.google.com/file/d/0B2B8GvAFCXAbY2dmVHowUGpHZE0/view?usp=sharing