Across
- 2. A unique substance, especially one that has been created or purified artificially.
- 4. A sound, particularly one that is loud, unpleasant, or disruptive.
- 6. A device or instrument, particularly one used for precision work.
- 7. A noticeable shift in shape, nature, or appearance.
- 9. Relating to, utilizing, or generating electricity.
- 12. Using physical or chemical resources to generate power, particularly to provide heat and light or operate machinery.
Down
- 1. An illustration of vibration.
- 3. Having to do with or coming from motion.
- 5. The state of being heated or extreme heat.
- 8. A wave of compression and rarefaction used to transport sound via elastic media like air.
- 10. The frequency with which something happens over a specific time frame or sample.
- 11. The natural agent that stimulates sight and makes things visible.