5. Allow at least three seconds for students to reply to your questions. This wait-time is important so that the students may think about and reason out the demonstration. 6. Use the blackboard to describe the purpose of the demonstration. Verbal explanations are sel- dom enough. Any picture or diagram you make on the board immediately attracts the students' attention. Remember that your students have lived in a TV-centered environment; as soon as they see a visual representation on the board, they are drawn to it. A beginning teacher often fails to realize or ever consider how the black board can complement the learning activity. 7. At the conclusion of the demonstration have a student summarize what has occurred and its This helps to fix the pur pose of the demonstration in the minds of the students. 8. Evaluate your lesson, orally or in a written summary.