Across
- 6. heat derived within the sub-surface of the earth.
- 7. solar energy that we capture and store for future use.
- 11. having a balance between emitting carbon and absorbing carbon from the atmosphere in carbon sinks.
- 12. s a bank account that pays different rates of interest, depending on the amount of the funds held in it.
- 15. transportation fuels such as ethanol and biomass-based diesel fuel that are made from biomass materials.
- 16. water pollution caused by particulate terrestrial clastic material, with a particle size dominated by silt or clay.
- 18. is the use of less energy to perform the same task or produce the same result.
- 19. process by which electric current is passed through a substance to effect a chemical change.
- 20. Achieving Energy Sustainability.
Down
- 1. made from decomposing plants and animals.
- 2. a form of power produced by the natural rise and fall of tides caused by the gravitational interaction between Earth, the sun, and the moon.
- 3. a form of energy that harnesses the power of water in motion such as water flowing over a waterfall to generate electricity.
- 4. convert sunlight directly into electricity.
- 5. is the effort made to reduce the consumption of energy by using less of an energy service.
- 8. is a flammable, colorless, chemical compound, representing one of the most commonly found alcohols in alcoholic beverages.
- 9. an electrochemical cell that converts the chemical energy of a fuel and an oxidizing agent into electricity through a pair of redox reactions.
- 10. the process by which the wind is used to generate mechanical power or electricity.
- 13. a renewable, biodegradable fuel manufactured domestically from vegetable oils, animal fats, or recycled restaurant grease.
- 14. the carbon that occurs in living things and dead things which are not yet transformed into fossils.
- 17. gross removals by planted and natural forests, less non-carbon dioxide emissions and emissions from deforestation, harvesting and harvested wood products.
