Steven Maier

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Materials Contributed through SERC-hosted Projects

Activities (3)

Rutherford's Model of the Atom part of comPADRE Pedagogic Library:Interactive Lectures:Examples
In this activity, an applet is used to illustrate Rutherford's model of the atom. Depicted in the applet are alpha particles fired toward the nucleus of the atom. Students are asked questions to be answered by clickers or in think-pair-share before the applet reveals the nature of the interaction. The applet is designed to test students' ideas by adjusting settings within the applet.

Models of the Hydrogen Atom part of comPADRE Pedagogic Library:Interactive Lectures:Examples
As a class, models of the hydrogen atom are explored using an online java applet in this activity. Real-time spectrometer outputs, visual representations, and energy level diagrams (where appropriate) of the following models are compared and contrasted: Billiard Ball, Plum Pudding, Classical Solar System, Bohr, deBroglie, and Schrödinger.

Modeling emf, Potential Difference, and Internal Resistance part of comPADRE Pedagogic Library:Interactive Lectures:Examples
This exercise on internal resistance is designed to be used during class/lecture to generate questions and discussion to help students distinguish between ε (emf) and Δ V (potential difference). Internal resistance is modeled by a separate resistor displayed on screen. Next, the simulator is used to represent realistic batteries in modeled circuits. Suggestions for follow up activities are included.

Events and Communities

ComPadre Workshop 2007 Participants