Across
- 2. gas that is released from rocks that can cause damage in alrge doses
- 7. Changes to the cell structure that can lead to cancer
- 9. Type of radiation that is all around us
- 10. Type of radiation that is stopped by paper
- 12. _______________ radiation causes electrons to be knocked out of cells causing damage
- 14. Exposure to radiation wihtout ever coming into contact with the source
Down
- 1. Type of radiation that is stopped by aluminium and is emitted as an electron
- 3. Part of the atom that contains protons and neutrons
- 4. Most penetrating type of radiation
- 5. The joining of 2 hydrogen nuclei to make a alrge nuclei
- 6. When a radioactive source is inhaled or ingested and causes damage inside the body
- 8. The time taken for the activity of radioactive source to decrease by half
- 11. The splitting of uranium to make 2 new nuclei
- 13. An atom of the same element that has the same number of protons but different numbers of neutrons