Across
- 3. Organic energy source.
- 5. Energy flow rate.
- 7. Back and forth electrons.
- 9. Closed loop for electrons.
- 11. Device that consumes energy.
- 12. Energy conversion ratio.
- 13. Portable power pack.
- 14. Power in motion.
- 15. Use once, discard.
- 16. Rechargeable battery.
- 17. Steady electron flow.
Down
- 1. Finite energy source.
- 2. Electricity billing unit.
- 4. Sun-powered converter.
- 6. Sustainable energy.
- 8. Controls electron flow.
- 10. Flow of electrons.