Nuclear energy project

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Across
  1. 2. the largest and slowest moving particle
  2. 6. the part of an atom that is composed of protons and neutrons
  3. 7. an isotope that can be induced to fission by capturing a thermal nuetron
  4. 8. atoms of the same elements with different number of neutrons
  5. 10. the theory that explains gas behavior by describing gas particles as tiny, constantly moving objects that collide with each other
  6. 14. solidified in concrete and the buried
  7. 18. falls between alpha and gamma in the terms of energy levels
  8. 20. the cycle process of mining, milling, and enriching uranium to create fuel
  9. 22. can be transformed into glass and then sealed in stainless steel containers, then buried
  10. 23. the spliting of a heavier nucleus into a lighter nucleus
  11. 24. the object that can stop alpha particles
  12. 25. the splitting of a smaller nucleus into a larger nucleus
  13. 26. forces that cause protons and neutrons to be attracted to each other
  14. 27. can be used to help treat cancer
  15. 28. a graph of the number of radioactive parent nuclei remaining in a sample as a function of time
  16. 30. gamma rays are used in radiation therapy to treat cancer
  17. 31. a device that makes the paths of subatomic particles visible as trails of droplets
Down
  1. 1. when a nucleus decays, particles and energy are emitted
  2. 3. compacted or incinerated in a container that is buried in a landfill
  3. 4. the process of changing one element into a different element
  4. 5. the power source of the stars
  5. 9. the worst industrial accident in human history
  6. 11. travels at the speed of light and is the fastest
  7. 12. the time needed for half of a sample of a radioisotope to decay
  8. 13. the invisible area around a magnet or moving electric charge
  9. 15. loses
  10. 16. a type of decay in which a proton-rich atomic nucleus absorbs one of its own inner orbital electrons
  11. 17. the least penetrating type of radiation
  12. 19. the process of a nucleus decaying and emitting energy and matter
  13. 21. where the electrons are found in a particle
  14. 29. the most penetrating type of radiation