1. Mass movement Any kind of erosion by gravity Makes mountains smaller

5. Gravity erosions Water weakens a layer of soil. Or a strong layers lays on top a weaker layer Mass of material slips down a curved surface Fast Slump Weathering that causes it Physical description Speed Name of erosion

6. Slump

10. Ice wedging - Soils very slowly move down hill Slow Creep

13. Ice wedging heavy rain Blocks of rock work loose of slope and come crashing down often in spring Fast Rock fall Sketch Weathering Description Speed Name

18. After heavy rains or earthquake Whole layer of rock slips down hill Fast Rock slide Sketch Weathering Description Speed Name

19. Fan shaped deposit. Removal of grass ( drought or fire) then heavy rain. Thick layer of loose sediment moves downhill Fast Mudflow Reason /weathering Description Speed Name