Across
- 1. a place where freshwater is stored
- 2. a group of atoms joined together in particular way
- 4. water in the form of invisible gas
- 5. the air that surrounds Earth
- 7. all liquid water and ice on Earth
- 9. when liquid turns into a gas
- 11. water that is found in the soil and Underground
- 13. the solid part of Earth
- 14. a community of organisms together with its environment
- 15. matter that is made of only one kind of atom or molecule
Down
- 1. a supply of something that is useful
- 3. all the living things on earth
- 6. a group of parts that work together
- 8. water that has been used and now contains harmful substances
- 10. a long period Of dry weather
- 12. when gas turns into a liquid
