Across
- 3. a machine which uses air gas water or stream to turn a wheel and produce power
- 4. the energy an object has as a result of movement
- 6. the process by which the surface of land or rock is gradually destroyed by the action of water, wind, rain, etc
- 7. a long narrow passage that people or liquids gasses ect. can move through
- 8. a barrier built across a river to stop the water from flowing usually to create a lake or to produce electricity
- 9. to keep something within strict limits
- 10. to get rid of something that you no longer need or want
- 11. the continuous movement of a liquid in one direction
- 12. to become or cause something to become smaller or weaker
- 14. used to describe two or more lines that are the same distance apart at every point
- 15. using methods that do not harm the environment, and can therefore continue for a long time
Down
- 1. a machine that proces electrycity
- 2. part(s) of an engine that concert power into movement
- 3. the cables used to carry electricity over long distances
- 5. to mention something as an example explanation or proof of something
- 13. mainly or mostly