Across
- 4. Remains of ancient organims that with time and pressure get converted into coal, oil or natural gas
- 6. The ability to do work
- 7. One of the few countries that can be self sustained
- 10. Derived from sources that will run out or will not be replenished in our lifetimes or even in many lifetimes
- 12. Oxygen, water and pyrite react and form sulfuric acid
- 14. An energy source that can be easily replenished
- 15. Located above oil deposits
Down
- 1. Power obtained from the kinetic energy produced by water
- 2. A solid combustible mineral made of carbon formed from organic matter after millions of years of compression
- 3. The process of injecting liquid at high pressure into subterranean rocks, boreholes, etc. so as to force open existing fissures and extract oil or gas
- 5. Energy in a transformed state
- 8. Wind, solar, hydroelectirc, tidal/wave, geothermal
- 9. Energy forms that can be used directly as they appear in nature
- 11. Has the highest production of it in the Middle East
- 13. A country with 5% of the world's population but 20% of of the world's energy consumption