Across
- 1. γ
- 3. Time taken for half the nuclei to decay
- 6. Another word for thermal radiation
- 7. Light waves belong to a family called ***
- 9. Carbon-14
- 10. A atomic bomb called “Little Boy” was dropped over ***
Down
- 2. Can be stopped by a sheet of paper
- 4. Radiation can cause and treat ***
- 5. Causes tanning, skin cancer and makes some chemicals glow etc.
- 8. Who’s books were radioactive