Radiation

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Across
  1. 4. Type of radiation which is an electron
  2. 5. The unit for energy
  3. 6. Treatment of these uses gamma radiation
  4. 8. The thickness of this is maintained using beta radiation
  5. 10. Measured in joules
  6. 12. Type of radiation which rarely interacts with matter
  7. 13. Another word for not frequently
Down
  1. 1. Detectors use radiation to detect this
  2. 2. Alpha radiation is stopped by air or _____
  3. 3. When something changes very willingly
  4. 7. Type of radiation which is most like a helium atom
  5. 9. What is a beta particle?
  6. 11. We cannot see radiation because it is too _____
  7. 14. When something is living, they have a ____