Across
- 1. matter that settles to the bottom of a liquid
- 4. a machine that transforms rotational energy from a fluid that is picked up by a rotor sysytem into usabale energy.
- 6. electricity generating station.
- 9. an apparatus for reducing or increasing the voltage of an alternating current.
- 10. a machine to convert mechanical energy into electrical energy.
- 12. a network of electrical lines connecting a multiplicity of generating stations to load over a wide area.
- 14. an artificial waterway for navigation,irrigation etc.
Down
- 2. a biological community of interacting organisms and their physical environment.
- 3. energy that a boby possesses by virtue of being in motion.
- 5. large natural or artificial lake used as a source of water supply.
- 7. the aspect of geology which studies water.
- 8. a mill woked by a waterwheel.
- 11. rain that is unusaly acidic and it possesses elevated levels of hydrogen ions.
- 13. a barrier to obstruct the flow of water built across a stream or river.