Across
- 2. good or right for a purpose.
- 4. damage or change from being used many times.
- 5. the network of wires and stations that carry electricity to homes and businesses.
- 6. the quality of being dependable; something works well every time.
- 8. long periods with very little or no rain.
- 11. the most important part or base of something.
- 12. controlling how much electricity is used at different times.
- 13. a system of lines or connections that link places together (often used for electricity).
- 15. power stations that use the natural flow of a river without a big dam.
- 18. actions to stop or reduce too much water covering land.
- 19. to let something go, for example, to let water flow out.
- 20. the amount of water available for people to use.
Down
- 1. places where water falls a long distance from turbines
- 3. bringing water to land or crops to help plants grow.
- 7. power stations that use water stored in a large artificial lake (reservoir).
- 9. the ability of a system to grow bigger or smaller depending on needs.
- 10. to move water or another liquid using a machine.
- 12. places where water falls a short distance from turbines
- 14. rivers, canals, or other routes where water flows and boats can move.
- 16. to need or depend on something.
- 17. to give or provide something that people need.