Across
- 2. bulb filled with a gas that becomes a plasma when current is passing through it
- 6. energy in the movement of molecules
- 7. bulb made of semiconducting material
- 8. light produced when current is passed through certain materials
- 9. electromagnetic waves of energy
- 11. device used to regulate temperature
- 13. clock used for navigation
- 15. material used for state or phase changes in refrigerators
Down
- 1. material that vibrates at a very precise rate when electricity flows through it
- 3. device for carrying one thread through other threads
- 4. elements that do not easily react chemically with other substances
- 5. the removal of heat
- 10. lights produced when electricity passes between carbon rods
- 12. incandescent bulb filled with hydrogen gas
- 14. device for moving wheels of sewing machine by foot
- 16. device with fins for moving clothing around inside a washing machine