Cooperative groups, structures. Positive interdependence, Individual accountability. Just about anything that creates interaction between students and the subject material. Here's what others found. Direct Instruction, Sharing in groups.
Students either explain their own findings within the groups, or from one group to another.
Teacher takes them a step beyond, possibly highlighting specific answers, or adding to them. Student presentations- individual or group. Writing assignments- journals or papers. Construction- build apparatus to accomplish specific purpose. Can be done either in class, or at home.