Principal Sponsors
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Double Wells and Covalent Bonds
Explore tunneling splitting in double well potentials. This classic problem describes many physical systems, including covalent bonds, Josephson junctions, and two-state systems such as spin 1/2 particles and ammonia molecules.
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Teaching Resources
Main Topics
- Tunneling
- Splitting
- Spin 1/2 Particles
- Ammonia Molecules
Sample Learning Goals
- Describe the process of energy splitting for a double well.
Tips for Teachers
The teacher's guide (pdf) contains tips created by the PhET team.
Teaching Ideas
You can submit your own ideas and activities.
Translated Versions:
| Language | Language (Translated) | Simulation Title | ||
|---|---|---|---|---|
| Albanian | shqipe | Gropat dyfishe dhe lidhjet kovalente | Run Now | |
| Arabic | العربية | الأبار المضاعفة والترابط الإسهامي | Run Now | |
| Arabic, Saudi Arabia | العربية (السعودية) | الأبار المضاعفة والترابط الإسهامي | Run Now | |
| Basque | Basque | Putzu bikoitza eta Lotura Kobalenteak | Run Now | |
| Bosnian | Bosnian | DVOSTRUKA JAMA I KOVALENTNA VEZA | Run Now | |
| Brazilian Portuguese | português (Brasil) | Poços Duplos e Ligações Covalentes | Run Now | |
| Chinese - Simplified | 中文 (中国) | 双井和共价键 | Run Now | |
| Chinese - Traditional | 中文 (台灣) | 雙位能井與共價鍵 | Run Now | |
| Croatian | hrvatski | Dvostuka jama i kovalentna veza | Run Now | |
| Danish | Dansk | Dobbelt- og kovalente bindinger | Run Now | |
| Dutch | Nederlands | Covalente bindingen (dubbele potentiaalputten) | Run Now | |
| Estonian | Eesti | Topeltaugud ja kovalentsed sidemed | Run Now | |
| French | français | Puits double et liaisons covalentes | Run Now | |
| German | Deutsch | Doppel Potentialtopf und kovalente Bindungen | Run Now | |
| Greek | Ελληνικά | Διπλά Πηγάδια και Ομοιοπολικοί Δεσμοί | Run Now | |
| Hebrew | עברית | בורות כפולים וקשרים קוולנטיים | Run Now | |
| Hungarian | magyar | Kovalens kötés: 2 potenciálgödör | Run Now | |
| Indonesian | Bahasa Indonesia | Sumur Ganda dan Ikatan Kovalen | Run Now | |
| Japanese | 日本語 | 二重井戸と共有結合 | Run Now | |
| Korean | 한국어 | 2중 우물과 공유결합 | Run Now | |
| Macedonian | македонски | Двојни јами и ковалентни врски | Run Now | |
| Mongolian | Mongolian | Хоёр нүх ба | Run Now | |
| Persian | Persian | پيوند کوالانسی و چاه دو تايي | Run Now | |
| Polish | polski | Podwójne Studnie, a Wiązania Kowalencyjne | Run Now | |
| Portuguese | português | Poços duplos e Ligações Covalentes | Run Now | |
| Romanian | română | Groapa dublă şi banda covalentă | Run Now | |
| Serbian | Српски | ДВОСТРУКА ЈАМА И КОВАЛЕНТНА ВЕЗА | Run Now | |
| Slovak | Slovenčina | Dvojitá vlna a kovalentná väzba | Run Now | |
| Spanish | español | Pozos Dobles y Enlaces Covalentes | Run Now | |
| Spanish (Peru) | español (Perú) | Doble Pozo y Enlaces Covalentes | Run Now | |
| Turkish | Türkçe | Çift Kuyu ve Kovalent Bağlar | Run Now | |
| Turkmen | Turkmen | Goşa çukurlar hem-de kowalent baglanşyklar | Run Now | |
| Vietnamese | Tiếng Việt | Giếng kép và liên kết cộng hoá trị | Run Now |
Software Requirements
| Windows | Macintosh | Linux |
|---|---|---|
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Microsoft Windows
XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.5 or later
Sun Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Credits
| Design Team | Third-party Libraries | Thanks To |
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