Applications of radioactivity
Across
- 3. An element involved in dating rocks
- 4. A substance is this if it gives off ionising radiation
- 6. Food ****: another use of ionising radiation
- 8. Type of radiation used that can easily pass through tissue and is used in medical imaging
- 10. Harmful
- 12. Medical treatment using radioactivity
- 14. Isotope used in emergency exit signs
- 15. Element used in dating
- 16. These can be dated using the decay of uranium
- 17. Leaks in one of these can be detected using radioactivity
- 20. The study of old structures and objects
- 21. Important property of a radioactive source (two words)
- 22. Mass number of unstable carbon isotope
Down
- 1. Harmful result of exposure to radiation
- 2. Type of radiation used to monitor
- 5. A timely use of radioactivity
- 7. Radiation from space
- 9. Radiation can cause cells to undergo this
- 11. Type of radiation used in smoke detectors
- 13. This shields us from cosmic radiation
- 14. Radioactive substance used in to detect leaks
- 18. Living material that can be damaged by radioactivity
- 19. Alpha, beta and gamma are examples of *** radiation