This report presents complete data which identify specific areas of supply/demand inconsistencies in the state of Iowa by science discipline of secondary science teachers. Summarized are data concerning the number of graduates from teacher education institutions in Iowa completing preparation for a teaching certificate for the years 1979-80, and the following data concerning Iowa public high school science teachers for 1973-74 and 1978-79: subject area taught, education, school district size, with undergraduate or graduate majors in their teaching area. Results are also presented of a national telephone survey conducted by personnel of the Iowa State University Education Placement Office and Iowa Department of Public Instruction for each state which assesses the availability of information concerning the supply and demand of secondary school mathematics and science teachers. (CS)