Reflection: Routines and Procedures Electron Configuration Part I - Section 3: Explore

With a class of 32 students it is often difficult to make sure that all students are staying on task, understanding the material, and completing in-class work on time.

I have found several ways to ensure that students in my classroom stay on task and are completing their work to the best of their ability.

1. I walk around as students work and look over their answer to make sure that they are answering questions fully and correctly.   This however is still difficult if I only am giving a certain amount of time for students to work and need to make sure that they are completing the work in a certain amount of time so that we can move on to the next goal.

2. I allow students to ask each other questions.  This is another task that works well for some students (who actually explain concepts to each other) but not others (who just talk about their weekend or copy each others work).

3.  I have students work by themselves and if they have questions ask me for help.  Furthermore, I will stamp students work when they are done and give them the homework to begin.  The problem with this is if there are too many questions than it can take some time for me to get to every students.

For this activity I chose the third option and had students work by themselves on the second portion of the notes during the Explanation phase.  I chose this option for this activity because the way that the paper is worded allows students to create their own understanding of electron energy shells and valence electrons.  Furthermore, it helps students to grapple with the idea of patterns in terms of valence electrons with groups and energy shells with period.

When looking over final student work there are some issues that arise from this technique.  If you notice this student's work, he did not completely fill in the Bohr models in the chart at the top of the second page.  Also, when I went over the answers at the end of the class he clearly copies some of my answers which means that he had some blanks which I missed when I quickly checked for completion.

Routines and Procedures: Evaluating In-Class Student Work

Electron Configuration Part I

Unit 2: Unit 2: Matter, Atoms, and the Periodic Table
Lesson 6 of 11

Big Idea: Electrons are located outside the nucleus in energy levels.

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90 minutes

Rachel Meisner

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