Across
- 2. A use of alpha radiation usually found in homes
- 8. The time it takes for half of the radioactive nuclei to decay
- 9. A use of gamma radiation in hospitals
- 12. Naturally occurring radiation
- 13. When a nucleus emits radioactive particles
Down
- 1. A method of gauging the number of particles decaying (radiation levels)
- 3. Nucleus of a helium atom
- 4. When the DNA changes due to radiation
- 5. A type of radiation that doesn't get deflected by a magnetic field
- 6. It can stop gamma radiation
- 7. A unit of measurement for radiation
- 10. A high speed electron
- 11. A naturally occurring gas that produces background radiation