analogies

Analogies, similes, metaphors, and other types of comparisons are common instructional techniques used to help students understand new concepts by linking them to familiar ideas.

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egg carton models
// Friday, February 28, 2025 Dean Campbell
  Egg-lectrons and McLewis Structures: More Representations of Electron Arrangements in Atoms and Molecules Co-Authored with Ali Patel* *Bradley University, Peoria, Illinois
Mechanochemistry with Phenolphthalein and Base preview image with three mortar pestles grinding phenolphthalein
// Wednesday, July 24, 2024 Dean Campbell
Phenolphthalein has been used extensively as a pH indicator.1 Although the compound actually can exhibit multiple color transitions, it is best known for turning from colorless to pink in aqueous solution as the pH is raised above 8.3.1 The equilibrium associated with this transition is shown in Figure 1.
preview image with text:"A Demo A Day IV - Demonstrations and Props Used in Materials Chemistry Class"
// Friday, February 2, 2024 Dean Campbell
Dean J. Campbell, Bradley University, Peoria, Illinois