主要贊助單位
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
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.
Alpha 衰變
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觀看 α 粒子從釙原子核脫逃,導致放射性的 α 衰變。理解隨機的衰變時間與半生期相關。(先前部分的核子物理模擬程式,現在分為α衰變與原子核分裂模擬程式。) 翻譯者: 謝祿適 (2009) 江易原 (2010) |
教學資源
主要課程
- α 衰變
- 半衰期
- Radiation
學習目標
- Explain alpha radiation in terms of alpha particles tunneling out of the nucleus.
- Explain the concept of half life, including the random nature of it.
- Begin to gain an understanding of the forces that work to hold an atomic nucleus together (strong nuclear force) and the forces that work to break it apart (Coulomb, i.e. electric charge, force).
老師的小技巧
老師的小技巧 (pdf) 亦包含由 PhET 團隊所提出的小技巧
教學點子
| 標題 | 作者 | 等級 | 種類 | 更新的 |
|---|---|---|---|---|
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Alpha Decay investigations
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Trish Loeblein | 高中 大學-簡介 |
概念問題 實驗室 |
2012/4/29 |
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Using PhET in High School Chemistry- all my activities in pdf
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Trish Loeblein | 大學-簡介 高中 |
作業 概念問題 實驗室 展示 |
2013/5/8 |
|
Nuclear Processes
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Phil Cook | 高中 | 實驗室 | 2010/5/2 |
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Concept Questions for Chemistry using PhET
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Trish Loeblein | 國中 大學-簡介 高中 |
概念問題 | 2013/5/8 |
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Visualization and Visual Illusions SIM Homework
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Kathy Perkins, Carl Wieman | 大學-簡介 | 作業 | 2011/1/9 |
| Instructor | Clarence Canty | 其他 | 概念問題 實驗室 |
2010/8/19 |
| Phet Alpha Decay Simulation Lab | Drew Isola | 高中 | 其它 實驗室 |
2010/6/26 |
| Spinometer | Chris Mounce | 大學-進階 | 展示 | 2009/7/28 |
| Radioactive Decay, Fission and Chain Reactions | Debra Krause Dandaneau | 高中 大學-簡介 |
其它 實驗室 |
2009/4/17 |
| Intrinsic Randomness | Roberta Tevlin | 高中 | 概念問題 | 2008/10/9 |
| 알파붕괴 SIM 사용지침서 | 이화국(Wha Kuk Lee) | 大學-簡介 高中 |
展示 實驗室 |
2013/5/17 |
您可以 登錄您的點子或是活動
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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 |
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