Across
- 2. The most powerful type of radiation wave; can pass through thick materials.
- 4. Thick protective walls that block radiation from escaping.
- 5. The neutral (no charge) particle found inside the nucleus.
- 7. The process of splitting a heavy nucleus into two smaller pieces.
- 9. A type of plant that uses a nuclear reaction to create energy.
- 10. The ability to do work or cause change.
- 14. The property of matter that causes it to experience a force in an electric field (positive or negative).
- 15. A type of radiation that is a fast-moving electron.
- 16. Energy of motion, like the energy of the turbine spinning.
- 19. A machine with fan blades that spins when hit by steam or wind.
- 20. The weakest type of radiation particle; can be blocked by paper.
- 21. Anything that has mass and takes up space.
- 22. Atoms of the same element that have a different number of neutrons.
- 23. Relating to the nucleus of an atom.
- 26. The device that converts the motion of the turbine into electrical energy.
- 28. The smallest unit of matter; the basic building block of all elements.
- 29. The process of combining two light nuclei to form one heavier nucleus.
Down
- 1. The time it takes for half of a radioactive sample to break down.
- 3. The positively charged particle found inside the nucleus.
- 6. Pieces inserted to absorb extra neutrons and slow the reaction.
- 8. An atom that has gained or lost an electron, giving it a charge.
- 9. Stored energy, like the energy stored in the nucleus of the atom.
- 11. An unstable material that gives off particles and energy.
- 12. Energy given off in the form of particles or waves.
- 13. The unused and highly contaminated materials left over from the process.
- 17. The flow of energy from power plants to our homes and devices.
- 18. The tiny, dense, positively charged center of an atom.
- 24. The container used to control a nuclear chain reaction.
- 25. The process by which an unstable nucleus spontaneously breaks down.
- 27. The negatively charged particle that orbits the nucleus.
