States of mater
Across
- 2. continuous movement of water from the Earth's surface to the air and back.
- 4. this happens when wet clothes are hung outside
- 6. it is used to keep things warm or cold for a long time
- 7. a process to obtain pure water
- 8. a poisonous gas that can lead to death
- 9. rain, snow ,sleet and hail are examples of this
- 11. a gas used to clean water
- 12. a process in which gas cools and changes into liquid
Down
- 1. this happens when solid gains heat and change into liquid
- 3. a gas used in fire extinguishers
- 5. it is used to make ammonia
- 9. in a solid they are quite close together
- 10. a disease caused by drinking polluted water