Across
- 3. Material that can penetrate Gamma
- 4. Type of decay that occurs when the radioactive isotope of carbon decays
- 6. The distance that radiation can travel through matter before it is stopped
- 8. Isotope which has decayed overtime, releasing radioactive particles into the surroundings
- 11. wave What is a gamma ray
- 14. What penetrates alpha?
- 15. Element that has the same amount of protons but different neutrons
- 16. The biggest danger in encountering radiation
Down
- 1. How can we estimate the age of an object?
- 2. Time taken for the countrate of a radio isotope to halve
- 5. Ionisation of an Alpha particle
- 7. Sorts out and measures carbon 12, 13 and 14
- 9. What is the charge of a gamma ray?
- 10. the fission of an unstable atomic nucleus to release radiation and form a different nucleus
- 12. The biggest contribution to background radiation
- 13. The biggest contribution to medical background radiation