Across
- 3. Electricity made by water moving through dams.
- 5. Providing water to crops using pipes or canals.
- 6. The practice of farming and growing crops.
- 10. A barrier built to hold back water.
- 12. Breathing in oxygen and breathing out carbon dioxide.
- 14. The slimy substance in your nose or throat.
- 15. The upper layer of earth where plants grow.
- 16. How plants make food using sunlight.
Down
- 1. When too much water covers land that is normally dry.
- 2. A long period without rain.
- 4. Dirtying the environment with harmful things.
- 6. Animals like frogs that live in water and on land.
- 7. A disease that spreads quickly to many people.
- 8. Plants releasing water vapor from their leaves.
- 9. Living things, like plants, animals, and tiny bacteria.
- 11. Water that is safe to drink.
- 13. The process where water turns into vapor.