Radioactivity Crossword - Daniel Burke

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Across
  1. 2. A measurement of radioactivity (Bq)
  2. 4. Over time the activity of a radioactive material will...
  3. 6. The third letter of the Greek Alphabet
  4. 7. Positively charged subatomic particle
  5. 8. The number of nuclei that decay and give off radiation every second is called the... of the material
  6. 9. Neutrally charged subatomic particle
  7. 10. Energy radiated or transmitted as rays, waves, in the form of particles. It can be dangerous if applied to humans too much
  8. 13. Radiation can be detected by using a... counter
Down
  1. 1. The first letter of the Greek Alphabet
  2. 2. The second letter of the Greek Alphabet
  3. 3. Spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction
  4. 5. Negatively charged subatomic particle
  5. 11. The central part of an atom which is positively charged, composed of protons and neutrons
  6. 12. To disintegrate or diminish by radioactive decay