Across
- 5. decayed organic material found in soil
- 7. a pile of rocks and soil deposited by a glacier
- 12. an area of sediment deposited at the mouth of a river
- 13. the dropping of sediment and rocks in a new location
- 14. the process of rock changing from one type to another
- 17. small particles of weathered rock and minerals
- 18. sediment carried by a stream
Down
- 1. forms when unmelted snow gets compacted down into ice
- 2. contains weathered minerals and some nutrients from the humus
- 3. fertile soil that is equal parts sand and silt with half as much clay
- 4. the process of wind picking up loose sediment and carrying it away
- 5. layers of soil
- 6. largest kind of particle in soil
- 8. the primary force behind erosion
- 9. the moving of weathered material from one place to another
- 10. unweathered rock that influences the soil above it
- 11. the process of breaking down rocks
- 15. type of weathering that changes rocks into new substances
- 16. the amount of each kind of particle in a soil sample
