Teachers Domain is a great website to find digital media to incorporate into your lessons by either showing your students or directing them to a particular area to help them further understand the concepts being taught.
Teachers’ Domain also has tools for professional development for example: Bioethics Classroom Debate: In this classroom-practice video, high school teacher Cherilee Lewis leads a classroom discussion on bioethics.
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Anatomy of a Volcano
Bioengineering Body Parts
A School Library Technician's Toolbox 