Davisson-Germer: Electron Diffraction
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Topics
- Electron Diffraction
Description
Simulate the original experiment that proved that electrons can behave as waves. Watch electrons diffract off a crystal of atoms, interfering with themselves to create peaks and troughs of probability.
Sample Learning Goals
- Recognize that electrons are reflected from a lattice mostly at certain angles due to wave interference.
Version 1.11
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type | Subject |
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| Visualization and Visual Illusions SIM Homework |
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Kathy Perkins, Carl Wieman | UG-Intro | HW | Physics |
| Concept Questions for Chemistry using PhET |
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Trish Loeblein | MS UG-Intro HS |
MC | Chemistry |
| Davisson Germer lecture and homework |
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Sam McKagan, Kathy Perkins, Carl Wieman, and Noah Finkelstein | UG-Intro UG-Adv |
Demo CQs HW |
Physics |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Biology Chemistry Physics Earth Science |
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| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Earth Science Physics Biology Chemistry |
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| Mapping of PhET and IBDP Physics | Jaya Ramchandani | HS | Other | Physics | ||
| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | Chemistry Biology Physics |
| Design Team | Third-party Libraries | Thanks To |
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