Across
- 1. solar heating Energy from the sun is gathered by collectors to heat water or a building
- 3. Thermal Energy Conversion (OTEC) Renewable energy technology that harnesses the temperature differences between warm surface waters of the ocean and the cold depths to produce electricity
- 4. Permanent waste disposal facility where wastes are put in the ground and covered each day with a layer of soil, plastic, or both
- 5. Liquid passed through compacted soil waste and landfill
- 8. Can be broken down by biological processes
- 9. fuel Plant material, manure, and any other organic matter that is used as an energy source
- 10. energy Deposits of water heated by energy within the earth - energy from heat in the earths crust
- 15. reduction Any change in design, manufacture, purchase, or use of materials or products to preduce their amount or toxicity before they become munincable solid waste
- 16. Process of reusing materials or recovering valuable materials from waste or scrap
- 18. waste Any discarded solid material
Down
- 1. energy Energy sources that are still in development
- 2. solid waste waste produced by households and businesses
- 6. efficiency percentage of energy put into a system that does useful work
- 7. solar heating Uses the suns energy to heat something directly
- 11. conservation Saving energy
- 12. energy Energy from sources that are constantly being formed
- 13. energy Emergy produced from moving water
- 14. cell Produces electricity chemically by combining hydrogen fuel and oxygen
- 17. Dark brown, crumbly material made of decomposed plant and animal matter that is spread on gardens and fields to enrich soil