Energy Crossword

2. when coil turns into oil
6. energy derived from sources that will run out or will not be replenished in our lifetimes, or in many many years
7. energy source in a transformed state
8. energy source that can be used directly as they appear in nature
11. uses 20% of the worlds energy per year
15. 5th largest producer in South America
16. mining is the most common around the world

1. second energy type most used
3. ancient remains of organisms that with time and pressure converted into coal, oil, and natural gas
4. most abundant fossil fuel
5. type of coal that has the most amount of carbon
9. an energy source that can be easily replenished
10. and heat create coal
12. one of the four pollutants
13. The ability to do work
14. purified form of coal that burns at high heat, creating temperatures that melt steel