Across
- 3. the radioactive by-product of nuclear energy production.
- 7. the energy given off as invisible waves and particles.
- 8. the neutrons and protons in the center of an atom.
- 9. the nuclear reactor that reprocesses its fuel to make new fuel
- 10. Using a material faster than it can be regenerated and the supply will run out.
- 11. The gradual warming of the Earth's climate.
- 12. Having a new or reusable supply of material available for use
Down
- 1. a nuclear reaction in which atomic nuclei fuse or join together
- 2. the first woman scientist to win the Nobel prize for her work with radiation
- 4. atoms that can produce radiation.
- 5. a very hot mixture of gases that can conduct electricity
- 6. Substances in the atomosphere that trap heat.