CrosswordMint
Eco Energy Sources and Impacts Quest
Moderate difficulty suitable for most players
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Across
  • 1. Related to water-powered energy systems
  • 3. Energy harnessed from Earth's internal heat
  • 5. Type of radiation important in heat energy
  • 8. Organic material used as renewable fuel
  • 9. Crude liquid fuel derived from fossils
  • 11. Alcohol fuel made from plants
  • 13. Energy derived from the sun's rays
  • 15. Element central to fossil fuels and climate concerns
  • 19. Energy generated by ocean tides
Down
  • 2. Simple hydrocarbon fuel in natural gas
  • 4. Measure of useful energy output vs input
  • 6. Standard unit of power measurement
  • 7. Ancient remains used for nonrenewable fuel
  • 10. Process of restoring or sustaining resources
  • 12. Element used as nuclear reactor fuel
  • 14. Prefix meaning water, used in power context
  • 16. To maintain ecological balance over time
  • 17. Black sedimentary rock used as fuel
  • 18. Common abbreviation for a clean-burning fossil fuel
  • 20. Power generated by air currents

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