Across
- 5. when a rocks composition and appearance changes
- 9. cracks filling with water then freezing, sometimes known as frost wedging
- 10. minerals dissolve and holes are created
- 11. dissolves rock slowly, reactions with acid in living things
- 12. breaking down by mechanical means (rough)
Down
- 1. roots breaking rocks & adding pressure
- 2. rocks broken down into smaller rocks/sediments
- 3. uplift, convergent continental continental
- 4. rusting and changing color
- 6. when animals dig and expose more rocks to the surface
- 7. creates caves, stalactites and stalagmites
- 8. large flat or curved sheets of rock fracture and are detached from the outcrop due to pressure release