Across
- 3. The 92nd element (7)
- 7. Nuclear power is this type of energy (3,9)
- 9. High energy radiation (5,4)
- 12. Where you find protons and neutrons in an atom (8)
- 13. Which element (Pb) can stop most gamma rays? (4)
- 18. Positive particle in an atom which has mass (6)
- 19. This is a type of radiation that is a Helium nucleus (5,8)
- 20. This non-communicable disease can be treated with gamma rays (6)
- 21. This is another way to protect yourself from radiation apart from time and protection (8)
- 22. The ability of radiation to remove electrons from atoms (8)
- 23. This can stop beta particles (9,4)
Down
- 1. Particle in an atom that has mass but no charge (7)
- 2. The time it takes for half of the particles of an element to decay (4,4)
- 4. An element with more or less electrons than natural (3)
- 5. A machine that measures radioactive particles (6,7)
- 6. The type of nuclear reaction that occurs in the sun (6)
- 8. These safety devices use alpha emitters to detect smoke (5,5)
- 10. This is high energy electrons (4,8)
- 11. A form of an element with a different number of neutrons (7)
- 14. A word that means when an atom breaks apart (5)
- 15. This is a word that describes what happens to unstable atoms (13)
- 16. What can stop alpha particles (5)
- 17. The splitting of an atom (8)