This study focused on level of utilization of available instructional materials, teacher made instructional materials and the obstacles faced by the chemistry teachers during improvisation of the teacher made instructional materials in Ebonyi State secondary schools.397 chemistry teachers from the 212 government owned secondary schools in Ebonyi State formed the population. Because of the small size of the population, no sampling was done. Questionnaire was the instrument used for data collection; it was validated by 3 experts from Science Education Department, one expert from Measurement and Evaluation and the other 2 from chemistry education. The reliability of the instrument was determined to be 0.81. Descriptive survey research design was adopted for the study. 3 research questions and one hypothesis guided the study. The 3 research questions were answered using mean statistics while the hypothesis was tested at 0.05 level of significance using the z-test statistics. The findings revealed that teachers are not utilizing effectively the available instructional materials in their teaching, the chemistry teachers are not making enough efforts in improvisation of those instructional materials that are not available and that the teachers faced obstacles such as lack of fund and skill for the improvisation of instructional materials. Based on the findings of this study, the researcher made a number of recommendations that would help the teachers in their instructional delivery.
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