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.

Evaluation of Compost

Objective: Results of compost making are evaluated after 6 weeks to see if the compost is creating soil as intended.
Activity: Measurements are taken and a sample of compost is compared with soil from a completed composing cycle. Differences are discussed in class and students (individually and then in groups) decide if changes need to be made to composing process.
Assessment: Students participate in data collection and comparison and decision making process.