Alpha Decay
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Topics
- Alpha Decay
- Half Life
- Radiation
Description
Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life.
Sample Learning Goals
- Explain what happens in alpha radiation.
- Predict what happens to an element when it undergoes alpha decay.
- 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).
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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| Using PhET in High School Chemistry- all my activities in pdf |
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Trish Loeblein | HS UG-Intro |
Lab Demo HW |
Chemistry |
| Concept Questions for Chemistry using PhET |
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Trish Loeblein | HS MS UG-Intro |
MC | Chemistry |
| Alpha Decay investigations |
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Trish Loeblein | HS UG-Intro |
Lab | Physics Chemistry |
| Visualization and Visual Illusions SIM Homework |
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Kathy Perkins, Carl Wieman | UG-Intro | HW | Physics |
| PhET LAB Alpha (IB 7.2) |
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Benjamin Forbes | HS | Lab | Physics | |
| Nuclear Processes |
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Phil Cook | HS | Lab | ||
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Physics Earth Science Chemistry Biology |
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| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Biology Chemistry Earth Science Physics |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | HS UG-Intro |
Other | Chemistry | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Chemistry Physics Biology |
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| Investigating a radioactive decay | Lori Fritz | HS | Lab | Physics | ||
| Radioactivity | MEHMET EMIN KALE | HS UG-Intro |
HW Lab |
Mathematics Physics |
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| Instructor | Clarence Canty | Other | Lab CQs |
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| Phet Alpha Decay Simulation Lab | Drew Isola | HS | Lab Other |
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| Spinometer | Chris Mounce | UG-Adv | Demo | |||
| Radioactive Decay, Fission and Chain Reactions | Debra Krause Dandaneau | UG-Intro HS |
Other Lab |
Physics | ||
| Intrinsic Randomness | Roberta Tevlin | HS | CQs | Physics | ||
| alfa verval | Janine Nauw | HS | Lab | Physics | ||
| Radioaktiivse lagunemise meedialabori juhend | Siim Tõkke | HS | Lab HW |
Physics | ||
| 알파붕괴 SIM 사용지침서 | 이화국(Wha Kuk Lee) | UG-Intro HS |
Lab Demo |
Astronomy Chemistry Physics Earth Science |
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Microsoft Windows XP/Vista/7/8.1/10 Latest version of Java
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OS X 10.9.5 or later Latest version of Java
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Latest version of Java
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| Design Team | Third-party Libraries | Thanks To |
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