Reflection: Flexibility Mentos and Diet Coke Geyser (Part 1) - Section 2: Engagement


I noticed my students had a hard time switching to outcomes.  They came up with a few other variables, such as indoors or outdoors, and elevation, but I could tell they didn't really see the difference.  I tried to get them to see that changing the number of mentor, for example, could not possibly change your elevation, but they responded vaguely "It might make a difference, though."

I went into cause and effect, and explained that we wanted to see if changing the variable might cause a different effect in the geyser.  They seemed to go along with it, but I'll definitely keep practicing this with them, even if it is only theoretical experiments. The next time we have a minute, I might ask them "What outcomes could you measure on a new parachute design?" or "What outcomes could you measure on a new P.E. program?

  Identifying Misconceptions
  Flexibility: Identifying Misconceptions
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Mentos and Diet Coke Geyser (Part 1)

Unit 1: Building a Classroom
Lesson 7 of 9

Objective: SWBAT create possible variable and outcomes of an experiment with Mentos and Diet Coke.

Big Idea: How can you plan a fair scientific test?

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