Reflection: Pacing Dissolution of Ionic Compounds in Water - Section 3: Intro to Activity


When I am leading a whole class discussion through questions, I had to learn how to wait an uncomfortably long time to allow students enough time to answer.  It took me months of deliberately waiting just longer than I felt comfortable waiting--long enough to feel the awkwardness of the silence--and then noticing that students would finally chime in, sometimes with extremely thoughtful answers, to become comfortable with the practice.  The results have been spectacular.

I did have to wait an uncomfortably long period of time during our discussion for this lesson at some spots when students were having trouble responding.  I think once it was because they did not understand what I was asking so I clarified my question (as noted in the narrative of the discussion questions), then received responses.  Every question I asked resulted in desired student answers (as denoted by the italicized text following the bold questions), but yes, I did have to be patient on several instances.

  Wait Time and Helping Students Articulate Their Thoughts
  Pacing: Wait Time and Helping Students Articulate Their Thoughts
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Dissolution of Ionic Compounds in Water

Unit 2: Electron Configuration & Bonding
Lesson 8 of 9

Objective: SWBAT to diagram and describe what occurs at the molecular level during the dissolution of an ionic compound in water (a polar substance).

Big Idea: Water is polar, with regions of slight positive and negative charge; this polarity attracts and pulls apart cations and anions of an ionic compound.

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