Across
- 3. Radioactive material has ___ atoms.
- 7. ___ initial construction costs
- 11. Gamma rays are stopped by __&
- 12. Nuclear ___ can be a problem with power plants
- 16. An unstable substance releases what?
- 17. Alpha particles are stopped by ___
- 19. A radioactive element.
- 20. Nuclear energy is not entirely ___
- 21. In fission, it does not split ___ every time
- 22. Common product of fusion and fission.
- 24. What is the size of a beta particle?
- 26. Beta particles have ___ electrons
- 28. Gamma decay does not ___ the mass number
- 29. Nuclear energy produces ___ amount of energy
- 31. Nuclear waste has to be treated ___
Down
- 1. Atoms combining
- 2. How fast is a gamma ray?
- 4. Alpha particles have ___ protons and neutrons
- 5. Fusion creates...
- 6. Gamma rays are a form of ___ energy
- 8. Beta particles are stopped by ___
- 9. Splitting of atoms
- 10. After decaying, radioactive atoms become more ___
- 11. Power plants can have high long-term ___
- 13. Nuclear energy is ___ compared to other sources
- 14. What is the size of an Alpha particle?
- 15. ___ attacks can be a big issue with power plants
- 18. Nuclear energy has low ___ of greenhouse gas
- 23. Fusion is the power source of...
- 25. Nuclear energy produces ___ amounts pollution
- 27. Mining of uranium can be ___
- 30. Common product of fission.