Elicit non-trivial dialogue from students. Guide students to reflection and analysis of the experience. Encourage students to share their perceptions and beliefs. Summarize and review similarities and differences.

Children decide why groups were formed. Similarities & differences are discussed.

Objective: To decide similarities/differences--analyze the classification process.

Activity: Students decide why each group was formed (identification of common characteristic/similarity).

Assessment: Students' ability to take part in the process of identification.