Across
- 5. Causes a nucleus to become unstable and decay
- 10. Commonly "U"sed in nuclear fission
- 14. Stable nucleus after radioactive decay
- 16. Pollutant that traps radiation in the Earth's atmosphere
- 21. Process of changing one element to another through nuclear decay
- 22. Graph that illustrates the exponential decrease of radioactivity in a sample
- 23. Comes after Alpha particle and before Gamma ray
- 24. Amount of time it takes for half the nuclei in a radioactive sample to decay
- 25. Scientist whose name rhymes with "blurry"
- 27. Two reactors were recently built at this nearby plant
- 28. Version of an element with the same number of protons but different number of neutrons
- 29. Uses heat from nuclear fission to produce energy
- 30. Unstable nucleus before radioactive decay
Down
- 1. City that rhymes with "sausage roll"
- 2. part of a power plant that cools water and releases steam into the atmosphere
- 3. Radioactive element located in Period 7 on the Periodic Table
- 4. Uses tracks of bubbles to detect radiation
- 6. Used to detect nuclear particles as a visible path of droplets
- 7. The release of matter and energy from nuclear decay
- 8. Amount of fissionable material required for a fission reaction to produce one or more fission reactions
- 9. An ongoing series of fission reactions
- 11. Opposite of nuclear fusion
- 12. Non-renewable organic material harnessed for energy
- 13. Combines two smaller nuclei to make a larger nucleus
- 15. Comprised of two protons and two neutrons
- 17. Change in an organism's DNA sometimes caused by radiation
- 18. Electromagnetic waves with high-frequency energy
- 19. Device whose inventor's name rhymes with "tiger"
- 20. Radioisotope that rhymes with "spacer"
- 26. Causes protons and neutrons to be attracted to each other