Across
- 3. The layer of gases surrounding the Earth
- 4. Makes something possible
- 6. Very small drops of liquid
- 9. Changing from a gas to a liquid
- 10. Large, slow-moving masses of ice
- 11. A series of events that happen again and again
- 13. The outermost layer of the Earth
- 15. Water falling from clouds as a solid (e.g. hail) or a liquid (e.g. rain)
- 16. The outside layer or top of something
- 17. A tiny piece of matter
- 18. Changing from a liquid to a gas
- 19. Ground that stays frozen all year round
- 20. Tiny holes or spaces in a material
Down
- 1. Water within soil and rocks in the ground
- 2. Streams of water that flow out naturally from the ground
- 5. Taken in or soaked up
- 7. A series of actions to achieve something
- 8. The top layer of earth where plants grow
- 12. How water in the soil travels through plants
- 14. Two or more atoms joined together