The teacher focuses the students attention on the key points of the subject and may use graphics, diagrams, or other representations to elaborate on the subject. Examples include pictorial relationships, application of the rules, context through historical information, and prerequisite information. Examples are provided to give contextual elaboration and to help students see the subject matter from many different perspectives. How can the World Wide Web support . . . Showing students specific World Wide Web sites that support subject area, including pictures, diagrams simulations, animations, videoclips, or audio clips.
Instruction is more effective when it contains presentation followed by examples and practice.
Teacher creates lesson plan on how and why volcanoes erupt. A component of this lesson is to present volcano facts to the students. Ask them to collect pictures and stories from the site that support their answers.