Across
- 4. Fossil fuel formed from ancient plants
- 5. DIOXIDE Major greenhouse gas from combustion
- 6. Primary source of solar power
- 7. Energy from Earth’s internal heat
- 9. PANEL that converts sunlight into electricity
- 10. Unwanted sound pollution
Down
- 1. Renewable fuel from organic material
- 2. Electricity from flowing water
- 3. Energy from splitting atoms
- 8. Process of converting waste into reusable material