Katy Dornbos

One challenge we encounter in teaching and learning chemistry is connecting the macroscopic and atomic views of matter. Another challenge, complicated by well-meaning but scientifically-weak advertising, is demystifying the word “chemical”.

If a student “gets the wrong answer” while performing mole conversions, it can be difficult (for both student and the teacher) to discern where an error was made. Inevitably sometime toward the beginning of learning these conversions, students can become overly confident, plugging numbers in without thinking about whether they are sensical. Th