Across
- 3. Dangerous form of clean energy
- 4. Produces radioactive waves
- 9. Fossil fuels, nuclear, biomass, geothermal, and solar thermal energy
- 13. Splitting of Uranium
- 14. 290-360 million years process
- 15. Liquid fossil fuel
- 17. Reason for climate change
- 19. Made from Dinosaurs
- 20. Mining is most commonly used for nickel, tin, gold, coal, and uranium.
Down
- 1. Compression of dead plant material
- 2. Primary stage of crude oil recovery Conversion of non-recyclable waste materials into usable heat
- 5. The cleanest of the most common fossil fuels
- 6. The energy required to move an object’s position
- 7. Skateboard in motion
- 8. H2O, CO2, CH4, N2O,and O3
- 10. Drilling technology used to extract oil or natural gas from underground
- 11. Burning of Wood or Coal
- 12. Solar, wind, hydro, geothermal
- 16. How fossil fuels form
- 18. Used in grilling