Across
- 3. A subatomic particle that carries a positive charge
- 4. A large dose of radiation received in a short period of time
- 6. SI unit for REM
- 9. Antiparticle that has the opposite charge of an electron that causes annihilation
- 15. Energy released by a radioactive isotope as it seeks a more stable state
- 16. Reduction of the intensity of radiation by passing through material
- 20. These effects are characterized by a threshold dose below which they do not occur, they have a clear relationship between the exposure and effect
- 22. The activity of a quantity of radioactive material in which one nucleus decays per second
- 25. Device, usually made of Tungsten, that attach to guide tubes to filter a stream of rays to travel parallel to a specified direction and reduce the intensity of radiation
- 27. Amount of any radiation that will cause the same biological effect as one roentgen of gamma radiation in any living tissue
- 29. Form of radiation such as sunlight, radio waves, and microwaves
- 31. These effects are those that happen by chance, primarily cancer and genetic effects, and often show up years after exposure
- 33. Atomic _________: the number of protons only in the nucleus
- 34. A subatomic particle that carries a neutral charge
- 35. The biological effects of radiation on future generations
- 36. The time required for half of the original number of atoms of radioactive material to undergo decay
- 37. Number of electromagnetic waves passing a given point in one second
Down
- 1. Layer: the amount of material it takes to reduce the radiation level to one-half its original intensity
- 2. Small doses of radiation received in a long period of time
- 4. The smallest division of an element
- 5. Total radiation exposure
- 7. A subatomic particle that carries a negative charge
- 8. Layer: the amount of material it takes to reduce the radiation level to one-tenth its original intensity
- 10. The process of changing an atom by adding or subtracting electrons
- 11. Distance between the peaks of a wave
- 12. An acronym that means making every reasonable effort to maintain personal exposure to radiation as far below the dose limit as is practical
- 13. The biological effects of radiation on the receiver of the dose
- 14. The rate of decay of a radioactive material in disintegrations per second
- 17. Transport _________: the radiation level in mR/hr at one meter from the package surface
- 18. Atoms with the same atomic number, but a different atomic weight
- 19. The recognition by one of the two regulatory authorities (NRC or agreement state) to accept the validity of licenses or privileges granted by the other
- 21. The amount of a radioactive isotope that will decay at the rate of 37 billion disintegrations per second
- 23. Term used to describe how some cells are more affected by radiation than others
- 24. German term that translates to "to break" "energy", one way x-radiation is produced
- 26. Atomic _________: the number of proton and neutrons in the nucleus
- 27. Measure of gamma or x-radiation in dry air
- 28. Line that refers to a radiation boundary established at a dose rate higher than the conventional limit where total dose to the area is controlled by limiting the length of time the source is exposed
- 30. Electromagnetic radiation that originates from the nucleus of an unstable atom
- 32. SI unit for RAD
- 38. Measurement of radiation in matter