Energy Resources
Across
- 2. a dark, liquid fossil fuel made up mostly of hydrocarbons
- 9. sulfide minerals in exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid
- 12. the liquid that results when substances from the trash dissolve in water
- 13. fuel rods produce so much heat they melt
- 14. an icelike solid that consists of molecules of methane within a crystal network of water molecules
- 16. hydrogen gas can be used to produce electricity within these
- 17. any unwanted material or substance that results from a human activity or process
- 18. chemical compounds that are derived from oil and used to make products
- 24. preventing waste generation by conserving resources and producing less pollution
- 26. generates electricity by controlled fission reactions
- 27. shale rock filled with a mixture of hydrocarbons
- 28. energy that is produced from material
- 29. the practice of digging shafts deep into the ground to find and remove a mineral
- 30. Wind turbines are often built in groups called these
- 31. the process in which fuel burns with oxygen
- 32. refers to using the movement of tidal water to generate electricity
Down
- 1. extraction of mineral by removing a strip of layers
- 3. a controlled process in which mixed garbage is burned at very high temperatures
- 4. helping power millions of vehicles on today's roads
- 5. the energy that holds these particles together in the nucleus
- 6. does not decompose or break down naturally
- 7. deposits of moist sand and clay containing bitumen
- 8. refers to solid or liquid waste that is toxic
- 10. radioactive material left over from the production of energy and other processes
- 11. the practice of reducing energy use to meet those goals
- 15. Process that releases hydrogen is this
- 17. a device that converts the winds kinetic energy into electrical energy
- 19. energy made available by the flow of electric charge
- 20. hydroelectric power
- 21. electricity that is generated by the combustion of biomass
- 22. the splitting of an atoms nucleus into two smaller nuclei
- 23. waste that comes from production of consumer goods
- 25. heats rocks below earths surface