Session S13 (Sunday, 2pm, Thomas 201)

P76: Toward high school biology: Curriculum development

Elaine Howes (Biological Sciences Curriculum Study, USA), Janet Carlson (Biological Sciences Curriculum Study, USA), Jean Flanagan (American Association for the Advancement of Science, USA), Cari Herrmann Abell (American Association for the Advancement of Science, USA), Rebecca Kruse (Biological Sciences Curriculum Study, USA), Jo Ellen Roseman (American Association for the Advancement of Science, USA)

We will describe the iterative design and development process used to produce a 6-week unit that provides a conceptually coherent story about  chemical processes in non-living and living systems.  The storyline is focused on growth and repair in living organisms. The unit helps students explain growth in animals and plants through the development of an atom rearrangement model for chemical reactions, which is critical for understanding conservation of mass.  The curriculum is built around (1) experiences with phenomena to engage students in observing and raising questions and (2) a variety of molecular modeling activities using LEGO bricks, ball and stick and space-filling models, computer simulations and animations, formulas, and equations to give students different ways to represent and work with abstract ideas and to synthesize or connect seemingly disparate experiences.

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