Across
- 2. A process in which the nucleus of a heavy atom is split apart.
- 4. Usable power that comes from heat,electricity,etc.
- 8. A very small particle of matter that has a positive charge.
- 9. An instrument used to measuring wavelengths of light.
- 10. A material or object that allows electricity or heat to move through it.
- 11. Is a substance that helps optimize the nuclear reactor.
- 12. A very small particle of matter that has no electrical charge.
- 13. Type of dangerous and powerful energy that is produced by radioactive substances and nuclear reactions.
- 14. A very small particles of matter that has negative charge of electricity and that travels around the nucleus of an atom.
- 15. Producing a powerful and dangerous form of energy.
- 18. A substance that is similar to a gas but can carry electricity.
- 20. Contains genetic material.
Down
- 1. To tie or wrap
- 3. Any one of various forms in which the atoms of chemical element can occur.
- 5. The response to something that happens.
- 6. It is the act of measuring something.
- 7. Relating to the changes in the nucleus of atoms that happen or extremely high temperature.
- 16. Smallest particle.
- 17. A liquid that is used to cool an engine or machine.
- 19. A quality or aggregate of matter usually of size.