Across
- 4. a machine that uses heat in a power plant to produce steam into turbines
- 12. heat energy
- 14. a source that has a theoretically unlimited supply and is not depleted when used by humans
- 15. energy from the sun that is converted into thermal or electrical energy
- 16. a machine for producing power in which a wheel or rotor is made to revolve by a fast-moving flow of water, steam, gas, or air
- 18. energy from steam or hot water produced from hot or molten underground rocks
- 19. a facility that uses heat from nuclear reactors to produce electrical energy
- 20. energy caused by the movement of electrons
Down
- 1. a source of energy that is a finite supply capable of being exhausted
- 2. potential energy stored in chemical bonds
- 3. renewable energy derived from burning organic materials such as wood and alcohol
- 5. the process of burning something
- 6. power obtained by harnessing the energy of the wind
- 7. kinetic or potential energy associated with the motion or position of an object
- 8. a form of energy that travels through space as waves
- 9. a fossil fuel in the gaseous state
- 10. the potential energy stored in the nucleus of an atom
- 11. electricity generated from the energy of moving water
- 13. energy that comes from the burning of coal (fossil fuel in rock form). It is non-renewable and produces a large amount of CO2
- 17. a fossil fuel that originally came from ancient sea life, now in the form of a crude liquid