Across
- 2. Mountaintop removal
- 3. "fossil energy source that formed deep beneath the earth's surface".
- 5. energy heat stored within earth
- 8. Minimal effects on the surface
- 10. forms that can be used directly as they appear in nature
- 12. "capturing the energy from the Sun and subsequently converting it into electricity".
- 14. "energy in the nucleus, or core, of an atom".
- 15. A solid, combustible mineral made of carbon, formed from organic matter after millions of years of compression
Down
- 1. An energy source that can be easily replenished
- 4. in a transformed state
- 6. Oxygen, water, and pyrite react and form sulfuric acid
- 7. implementing wind energy turbines that work when wind are blown into this turbines in order for it to generate energy.
- 9. “the ability to do work”
- 11. Remains of ancient organisms that with time and pressure converted into coal, oil, or natural gas.
- 13. Derived from sources that will run out or will not be replenished in our lifetimes - or even in many, many lifetimes.
