Radioactivity+Quiz

[[image:nuclear-explosion.jpg width="279" height="419" align="right"]]Email your answers to me:
(0r write them down and bring them into lesson next week)

1. Which type of radiation does the most damage if swallowed?
 * a**. Alpha. **b**. Beta. **c**. Gamma

2. Which type of radiation travels the furthest in air?
 * a**. Alpha. **b**. Beta. **c**. Gamma

3. Which type of radiation is sometimes called a Helium nucleus, and why?
 * a**. Alpha. **b**. Beta. **c**. Gamma

4. How does an electron end up in the nucleus during beta decay?

5. Why does a radioactive nucleus decay?

6. Name three uses of nuclear radiation. (//see link below for help//)


 * [|The uses of radiation]**

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