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.

Students analyze experiment.

Objective: To analyze the results of experiments.

Activity: 1. Using overhead projector, teacher creates chart from student input analyzing numbers of color drops which were added to each beaker. 2. Liquid is divided equally among group members for tasting. Teacher leads students' analysis as follows: Were color drops equal? Is the color identical? If not, what might have affected the results other than the number of drops? Does all liquid taste the same? Did the color change the taste? Why should there be at least 2 samples that are identical in all respects?

Assessment: Student contributions to discussion and analysis of the experience.