Colleagues, I am looking for a nature of science instrument that I can administer to elementary teachers participating in a professional development program. I would like to administer the instrument pre and post to investigate change in teachers knowledge of the nature of science. Does anybody have a recommendation for a valid and reliable nature of science instrument that would be appropriate for teachers in a PD program? You can send suggestions to me at [log in to unmask] or [log in to unmask] Regards, Julie ---------------------- Julie Sexton, Ph.D. Research Associate, Geoscience Education Math and Science Teaching Institute University of Northern Colorado [log in to unmask]