Across
- 3. Smaller pieces of dirt are _________ out.
- 5. Water from our toilets is called s___________.
- 7. Farms and factories sometimes pour these into rivers.
- 10. Most water in the world is ________.
- 12. The water vapour rises and condenses.
- 13. The flowers in my _________ need water.
- 14. Did you know it takes 200 000 litres of water to make one __________.
- 16. Sometimes farmers put ________ spray on their plants.
- 17. Farmers use this system to water plants.
- 18. This type of gas is added to water to kill germs.
- 20. When people do things to make water dirty.
Down
- 1. Water is cleaned at a __________ building.
- 2. Using water to generate electricity is known as __________.
- 4. When washing clothes in a river, washing d_________ makes the water dirty.
- 6. This is a fresh water source where there is a lot of water in the soil.
- 8. Warm sea water changes to __________.
- 9. The clouds get heavy and cause _______.
- 11. A __________ stores water for a whole city or town.
- 12. We need ________ water to stay healthy.
- 13. Water from our baths or sinks is called _____ water.
- 15. One way to make water dirty is by throwing ________ into it.
- 19. There would be no ________ on earth without water.
- 21. There is more water than ________ in the world.
- 22. A water ______ is useful for storing rain water.