Reflection: Lesson Planning Modeling Human Impact Part 1: Designing the Experiment - Section 4: Wrap Up


Sometimes we try and bite off more than we can chew, and in the case of this lesson, my plan was a bit too ambitious for one period (even with a 2 hour block).  

As you can see from the student design, this isn't because students were having trouble "getting it" as is the case with many lessons that don't fit into the allotted time.  The problem here was that the task was just a bit too complex to be completed in such a short time.  One way that the required time could be abridged would be to just present possible specifications of the ecocolumns and then have students change them if necessary.  You can see the final specifications that my class agreed on in the next lesson, and I think they would make a great starting point.

It really comes down to what you want your students to get out of the experience.  In my case, I think my students' personal investment in the project from the outset was only possible when they were given a blank canvas, so to say.  I doubt they would have been as engaged if they just received instructions.  In light of this, the 3 hours this lesson wound up taking were more than worth it.   

  Don't bite off more than you can chew.
  Lesson Planning: Don't bite off more than you can chew.
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Modeling Human Impact Part 1: Designing the Experiment

Unit 2: The Nature of Environmental Science
Lesson 12 of 17

Objective: Students will be able to design a controlled, long term experiment to be conducted by their entire class.

Big Idea: In this lesson, students design and implement a long term study of the effects a specific variable (e.g., fertilizer) has on vegetable growth and populations of aquatic micro-organisms.

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4 teachers like this lesson
Science, microbiology, experimental design, environment relationship, Environmental Science, eutrophication, semester, experiment, ethics
  60 minutes
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