![]() ![]() ![]() So, what’s with all the emphasis on particle diagrams? While there wasn’t enough time for me to adequately answer my student’s question, I thought this platform might be a good way to do it. Reflecting on this question immediately brought to my attention partial memories of all the research I’ve read on this topic, the frustrating emotions felt when trying to help colleagues understand its importance in learning, and the numerous hours I’ve spent over the past decade creating questions that elicit a particle-based understanding. As they began, one student said, “why do you always make us draw particle diagrams?” ![]() Recently, I asked my students to draw a particle-based model that accounts for the observed increase in pressure when a syringe full of gas is compressed. ![]()
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