Across
- 3. A rod made of silver, boron, cadmium, etc used to slow down the rate of fission by absorbing the neutrons
- 6. percentage of energy that is actually used to perform work
- 8. coal is mainly used for what?
- 10. combining two hydrogen nuclei to form a helium nucleus and get the energy produced
- 16. a layer of material that traps and stops heat exchange with the outside air
- 17. heat from Earth's interior
- 18. something that can be replenished in a relatively short amount of time
- 19. electricity made form flowing water
- 23. breaking apart a uranium nucleus with a neutron to get the energy produced
- 24. a non-renewable energy made by harnessing the energy from a uranium nucleus
- 26. the process of injecting a highly-pressured liquid into the ground to extract oil or gas
- 29. A factory where crude oil is heated and separated into other fuel
- 30. when fuel rods generate too much heat that they start to melt
Down
- 1. A fuel element used in a reactor vessel to produce heat to power turbines
- 2. wood, plant parts, manure, and food wastes that can be used as fuels
- 4. something that can't be replenished in a short amount of time. It takes a LONG time to grow back
- 5. a machine for producing continuous power in which a wheel or rotor is made to revolve around water, air, gas, etc.
- 7. oil is mainly use for what?
- 9. coal, oil, and natural gas are all types of what?
- 11. light and heat given off from the sun
- 12. the use of air flow through wind turbines o mechanically power generator for electric power
- 13. the pressure vessel containing the nuclear reactor coolant, fuel rods, and turbine.
- 14. compounds made from oil
- 15. a large, natural or artificial lake used as a source of water
- 20. A substance that provides energy
- 21. a gray, dense radioactive metal used as a fuel in nuclear reactors
- 22. chemical compounds that have carbon and nitrogen
- 25. the act of reducing energy use
- 27. a mixture of gasoline and alcohol
- 28. the mostly used energy source in the United States