Weathering & Erosion

8. Acid rain type
10. Name given to a layer of soil
12. Original source material for soils.
13. Main factor that contributes to both mechanical and chemical weathering
14. Region of the USA that experienced the dust bowl (two words)
16. Rock type affected most by dissolving
18. Weathering type whereby rocks are broken into smaller pieces with no change in their mineral composition.
19. A-Horizon of soil layers
20. Another acid rain type
21. Type of landscape resulting from limestone eroding underground.
23. Weathering type from rainwater mixing with carbon dioxide in atmosphere

1. Ecological disaster resulting from natural weather events and human impact on soil (two words)
2. The process of sediments settling somewhere after they have been moved.
3. The process that creates rust when iron in rocks is exposed to oxygen in air and water.
4. Name given to the topsoil rich in nutrients and organic material
5. Water freezes and breaks rocks apart (two words)
6. Another term for mechanical weathering
7. Weathering type that turns minerals like feldspar into clay
9. Weathering type whereby minerals in rocks are changed by chemical reactions.
11. The physical and chemical processes that break rocks down where they are.
15. B-Horizon of soil layers
17. The process that moves weathered rock away after it has been weathered.
22. Weathering type which involves rocks scraping or hitting other rocks.