The document discusses different types of instructional materials that can be used to aid in the transfer of information from teachers to students. It describes instructional materials as including power point presentations, books, articles and materials for projects. It then discusses the roles instructional materials can play in mass instruction, individualized learning and group learning. The document goes on to classify instructional materials into four main types: printed and duplicated materials, non-projected display materials, still projected display materials, and technological instructional media. It provides examples for each type of material.