Across
- 3. - current
- 5. - car
- 7. - candle
- 8. - lightning
- 10. - kite
- 12. - bicycle
- 13. - wave
- 14. - light energy
- 17. - train
- 18. chaude - hot spring
- 19. - wind turbine
- 20. - geyser
- 21. - battery
- 22. - sun
- 23. - heat energy
- 25. - computer
- 28. - tv
- 30. - outlet
- 32. - star
- 33. - sea
- 34. - geothermal energy
- 37. - ball
- 39. - storm
Down
- 1. - fire
- 2. solaire - solar panel
- 4. - food
- 6. chaude - hot earth
- 7. - dam
- 9. à vent - windmill
- 10. - coal
- 11. - volcano
- 13. - steam
- 15. - motion/kinetic energy
- 16. géothermique - geothermal plant
- 24. chaude - hot rock
- 26. - gasoline
- 27. - chemical energy
- 29. - ocean wave energy
- 31. chaud - hot sun
- 35. - electrical energy
- 36. - turbine
- 38. - wind energy