Across
- 2. Counter to detect radiation
- 7. When two small nuclei join together to make a bigger nucleus
- 8. High energy electromagnetic wave
- 9. E=mc^2 scientist
- 10. Self-sustaining nuclear reaction (2 words)
- 11. Radiation which takes the form of a helium nucleus
- 12. The effect of radiation on matter
- 15. The radiation that is detected all around us
- 16. The time it takes for half the nuclei in a sample to decay
Down
- 1. A sheet of this will absorb alpha radiation
- 3. When radiation travels into someone but does not make them radioactive
- 4. Packet of energy
- 5. A few mm of this will absorb beta radiation
- 6. Unit of activity
- 7. Splitting a nucleus
- 10. When radiative material gets into someone's body or on their skin and they become radioactive
- 13. Same number of protons; different number of neutrons
- 14. Fast moving electron