Nuclear Energy

123456789101112131415161718192021222324252627282930
Across
  1. 2. A particle made of one electron
  2. 4. One of the most infamous nuclear reactor accidents in history.
  3. 6. Alpha particles are stopped by what?
  4. 9. Nuclear energy emits very little __________ gases compared to other fuel sources.
  5. 12. The process in which an unstable nucleus emits particles to become stable
  6. 13. The process of increasing the concentration of uranium isotope in an atom.
  7. 16. Also known as nuclear decay
  8. 17. Fusion powers these.
  9. 19. Gamma rays can be used in radiation _______ to treat cancer.
  10. 21. Composed of neutrons and protons.
  11. 23. The main element used in fission reactors
  12. 25. The process of one element transforming into another via radioactive decay.
  13. 27. Nuclear energy is prone to nuclear _________, including possible meltdowns.
  14. 28. Produced in fission AND fusion reactions.
  15. 29. One of the only materials gamma rays are stopped by.
Down
  1. 1. Nuclear power plants require fuel _______ to run.
  2. 3. A positive electron.
  3. 5. A positive particle.
  4. 7. Beta particles are stopped by what?
  5. 8. An energy source where two lighter nuclei combine into one heavier nucleus, creating energy.
  6. 10. A negative particle.
  7. 11. Nuclear reactors produce energy, and a byproduct known as nuclear _____.
  8. 14. The time it takes for an atom to decay to a half of its mass (Use a dash for a space if needed)
  9. 15. An energy source where a heavy nucleus is split into two lighter nuclei, creating energy.
  10. 18. A neutral particle.
  11. 20. A particle with no mass
  12. 22. Nuclear energy is very _________, meaning it uses little resources but produces much power.
  13. 24. Atoms of an element with a different number of neutrons but the same number of protons and electrons.
  14. 26. A storage container for nuclear waste.
  15. 30. A particle made of 2 protons and 2 neutrons