Across
- 2. type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
- 6. process in which sediment is laid down in new locations
- 7. type of rock that forms from the cooling of molten rock at or below the surface
- 11. type of weathering that does not involve any change in a rock's composition
- 12. type of resource that can not be replaced over time
- 13. process by which wind, water, ice and gravity transport soil and sediment from one location to another
- 16. agriculture where long term productive methods are used
- 19. series of process on the surface and inside Earth that slowly changes rocks from one kind to another
- 20. naturally occurring solid material from with metal can be extracted
- 21. breaking down of rocks and other materials on the Earth's surface
- 22. image that shows the relationship between soil texture and the percentage of clay, silt, and sand
Down
- 1. process that converts sediment into solid rock by compaction and cementation
- 2. excavation of the earth for the purpose of extracting ore or mineral
- 3. agriculture where labor is reduced and machinery is used
- 4. the movement of people from rural areas to cities
- 5. type of rock that forms when particles from other rocks or the remains of animals and plants
- 8. the process of returning land to its original condition after mining is completed
- 9. farming strategy where a single crop is planted, year after year
- 10. type of resource that can be replaced over time
- 11. molten rock beneath earth's surface
- 14. downslope movement of earth materials that happen very slowly
- 15. type of weathering where a rock's composition changes
- 16. small, solid pieces of material that come from rocks or living things
- 17. loose covering of weathered rock and decaying organic matter
- 18. the number of different species in an area
