Give guidance and feedback to students' plans, encouraging, refining, and helping them to be responsible for their own learning. Maintain high expectations for completion of chosen options. Summarize by reviewing the whole, bringing students "full circle" to the experience with which the learning began.

Students write a rough draft of the chromatography lab to be edited by peers.

Objective: To organize lab data into a lab report.

Activity: Students will write a rough draft of their chromatography lab. In small groups they will edit and refine each other's lab reports. Each group member must make at least one suggestion for improving each report.

Assessment: The rough draft will be evaluated in group activity.