Across
- 2. not able to hold any more water vapour
- 7. the amount of water vapour in the air
- 8. a layer of pervious rock from which water can be extracted using a bore or well
- 9. all plant and animal matter found on Earth
- 11. type of rock that does not allow water to soak into it
- 12. any water falling from the sky
- 13. substances found in rocks
- 17. a device that absorbs solar energy and converts it directly into electrical energy
- 18. used in agriculture to provide water to crops
Down
- 1. water that exists underground
- 3. layer of gases above Earth's surface
- 4. a form of mining in which water and other chemicals are pumped into rocks, causing them to fracture
- 5. rainwater not absorbed in the soil
- 6. holes in the leaves of plants that can be opened or closed to control water loss
- 10. places where underground water comes to the surface
- 14. the removal of sediments from one place to another
- 15. something that satisfies a particular purpose or need
- 16. the dropping of sediments from moving water, air or ice