Challenging puzzle for experienced crossword solvers
Bright Green Energy Discoveries
Perfect for beginners with simple, common vocabulary
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Across
- 1. A beam of light or heat
- 2. Free from pollution or dirt
- 4. Short for environment-friendly
- 5. Type of energy that warms
- 6. Energy from the sun
- 10. Needed for hydroelectric power
- 11. Type of energy we see
- 12. What fuels machines and light
- 15. Color often linked to clean energy
Down
- 3. A repeated series of events
- 7. Place where sunlight is blocked
- 8. Material burned to make energy
- 9. Energy used to do work
- 13. What turbines do to create power
- 14. Machine that spins to create power
- 16. Energy from flowing water
- 17. A gentle wind
- 18. Energy from moving air
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