this strategy help get students ready to learn information from expository material. the teacher tells the students the topic, presents an array of key words from the teat, and invites speculation and discussion on how the terms relate to the topic and to each other. Students from hypotheses, debate their ideas, then read the material to get more information. the material may be a content area text to read, a tape to listen to,a film to watch, or a multimedia presentation from a CD-ROM or an internet source. Students then discuss what they have learned, returning to the key word to tlak about hoe their thinking haschanged