Radioactive Decay and Half-Life
| Website: | Young Education |
| Kurs: | Radioactive Decay |
| Buch: | Radioactive Decay and Half-Life |
| Gedruckt von: | Invitado |
| Datum: | Freitag, 25. September 2026, 01:53 |
1. Random Nature of Radioactive Decay
Learning outcomes
- I can explain why radioactive decay is random.
- I can distinguish between random decay and predictable half-life.
- I can explain why large samples follow predictable trends.
- I can describe how decay probability applies to individual nuclei.
- I can interpret graphs showing radioactive decay.
2. Half-Life
Learning outcomes
- I can define half-life.
- I can explain what happens during each half-life.
- I can determine the remaining quantity after several half-lives.
- I can interpret half-life graphs.
- I can compare isotopes with different half-lives.
3. Decay Calculations
Learning outcomes
- I can calculate the number of half-lives that have elapsed.
- I can calculate the remaining amount of a radioactive sample.
- I can calculate the original amount from remaining quantities.
- I can solve problems involving elapsed time and half-life.
- I can interpret exponential decay relationships.
4. Activity and Decay Rate
Learning outcomes
- I can define radioactive activity.
- I can explain how activity changes over time.
- I can compare activity and half-life.
- I can interpret activity graphs.
- I can solve simple activity calculations.
5. Dating Using Radioactivity
Learning outcomes
- I can explain how radioactive dating works.
- I can describe carbon-14 dating.
- I can explain when carbon dating is appropriate.
- I can identify other radioactive dating methods.
- I can solve simple radioactive dating problems.