Session Number
A-1
Grade Level
Grade Levels: HS
Start Date
3-3-2017 9:30 AM
End Date
3-3-2017 10:30 AM
Keywords
Chemistry, Modeling Instruction, Stoichiometry, Mole Calculations, BCA Tables
Description
Traditionally stoichiometry is done using dimensional analysis. Although effective, it is confusing, messy, and does not focus on mole ratios. On the other hand, the BCA method (Before-Change-After), is clear, clean, and highlights the mole ratios in a chemical reaction. Participants will collect mass data in an experiment and learn how to use a BCA table. Teachers will bring the BCA method back to their classrooms and provide an extremely useful tool for the next generation of chemistry savvy students.
Included in
Chemistry Commons, Curriculum and Instruction Commons, Teacher Education and Professional Development Commons
Session A-1: BCA Method, Focusing on Mole Ratios in Stoichiometry
Traditionally stoichiometry is done using dimensional analysis. Although effective, it is confusing, messy, and does not focus on mole ratios. On the other hand, the BCA method (Before-Change-After), is clear, clean, and highlights the mole ratios in a chemical reaction. Participants will collect mass data in an experiment and learn how to use a BCA table. Teachers will bring the BCA method back to their classrooms and provide an extremely useful tool for the next generation of chemistry savvy students.