Across
- 2. The smallest sediment that soil can be composed of
- 8. A layer of a soil profile
- 9. Is added to alkaline soil to make it more acidic
- 11. The liquid layer thought to exist deep within the Earth (5,4)
- 12. Describes soil or rock that allows water to flow through it
- 13. The best quality coal
- 14. The deposition of sediment when a river enters a plain (8,3)
- 16. Describes rocks formed by erosion, deposition, compaction and cementation
- 17. A soil with composition 30% sand and 10% clay is called (4,4)
- 18. When rock physically weathers another rock
Down
- 1. Term used to describe the crust and the solid part of the mantle sticking to it
- 3. Underground water stored in rock and sediments
- 4. The Grand Canyon is an example of this (1,6,6)
- 5. When the roof of an underground cavity falls through
- 6. A feature of karst formations
- 7. A type of ped
- 10. Denotes the space found beneath the water table (4,2,10)
- 15. Describes a type of energy which is sustainable
- 16. Overuse of groundwater can cause this sinking of the surface