Challenging puzzle for experienced crossword solvers
Fossil Fuels and Green Energy Lexicon
Challenging puzzle for experienced crossword solvers
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Across
- 1. Heat source derived from the Earth's internal layers
- 2. Apparatus for converting biomass to char and gas
- 3. Process controlling fluid flow through porous rocks
- 4. Molecular backbone of fossil fuel composition
- 5. Containing iron, often in materials for energy tech
- 6. Agent accelerating fuel cell reactions without consumption
- 7. Integrity of energy output from organic feedstock
- 9. Semiconductor effect harnessing photons for electrons
- 11. Accumulated organic deposits, precursor to coal formation
- 12. Renewable substitute for natural gas from organic decay
- 14. Rotational device converting kinetic wind or water force
Down
- 8. Material activating chemical reactions under light exposure
- 10. Thermal decomposition of materials in absence of oxygen
- 13. Highest grade coal with the greatest carbon purity
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