Instructional Model  Teacher Guide  Teacher Background
Printable Materials       About the Author   The 5 E's
Instructional Model  The "5 E's" instructional model was
developed by the Biological Sciences Curriculum Study (BSCS)
[Bybee, R. W. (Ed.). National Standards and the Science
Curriculum: Challenges, Opportunities, and Recommendations.
Dubuque, Iowa: Kendall-Hunt Publishers, 1966]. This guided
inquiry approach involves students in actively developing their
understanding of concepts or skills with the teacher acting as
the instructional director.  The "5 E's" instructional model
involves specified sequence of phases: Engage, Explore, Explain,
Elaborate, and Evaluate. Each phase has a particular purpose.
The nature of the instructional task during each phase can and
does vary from activity to activity, but the purpose of each
phase remains the same.   This phase initiates an activity. Its
primary purpose is to introduce students to the concept,
process, or skill that will be explored. The engage phase of