Middle School Physics Teachers’ Content Knowledge of Acceleration Elijah Tabachnick, Peter Colesworthy, and Michael C. Wittmann Physics Education Research Conference Proceedings 2017 In the “speed model” of accelerated motion, the terms “speeding up” and “slowing down” are equated with positive and negative acceleration, respectively. As part of the Maine Physical Sciences Partnership, we have investigated
read more Elijah, Peter, and Michael publish on teacher knowledge of acceleration