Across
- 3. When a liquid, like water, gets so hot that it bubbles and turns into steam.
- 11. A large place where water is stored for people to use.
- 13. An underground pipe that carries away waste and dirty water.
- 14. A machine that moves liquids or gases from one place to another.
- 16. A place where water or wastewater is cleaned and made safe.
- 17. A small covered hole in the ground used to get into underground pipes.
- 18. A large pipe that carries water or other liquids to many places.
- 19. To manage or direct how something works.
Down
- 1. A device that controls the flow of a liquid or gas in a pipe.
- 2. A drain that collects rainwater and directs it away to prevent flooding.
- 4. A simple drawing that shows how something works or is put together.
- 5. A hard building material made by mixing cement, sand, gravel, and water.
- 6. To wash something away quickly with water.
- 7. To move smoothly and continuously, like water in a river.
- 8. Small stones often used for building or making roads.
- 9. A group of connected parts that work together to do something.
- 10. To move around quickly in a circular motion.
- 12. Used water that comes from homes, businesses, or factories, usually needing cleaning.
- 15. The hot gas that water turns into when it’s heated.
- 20. When a liquid or gas escapes from a hole or crack in something.