Across
- 3. Heat to electrical
- 4. mechanical to electrical
- 6. electrical to mechanical
- 9. Solar to heat
- 11. Electrical to light
- 12. chemical to mechanical
- 14. light to chemical
- 15. chemical to electrical
Down
- 1. electrical to chemical
- 2. light to electrical
- 5. Sound to electrical
- 7. heat into mechanical
- 8. Electrical to heat
- 10. Electrical to sound
- 13. chemical to heat