Across
- 3. Radiation made of high-energy electrons or positrons
- 6. Energy emitted as particles or waves
- 7. High-energy electromagnetic radiation emitted during radioactive decay
- 9. SI unit of radioactivity
- 11. Time it takes for half of a radioactive substance to decay
Down
- 1. Material used to block or reduce radiation exposure
- 2. The process by which an unstable nucleus loses energy
- 4. Device worn to measure radiation exposure
- 5. Type of counter used to detect radiation
- 8. Type of radiation consisting of 2 protons and 2 neutrons
- 10. Natural radiation present in the environment