https://padlet.com/20187048_2/z5uv89ph3g4v Block 4 en-us 2017-11-05 22:14:12 UTC 2024-09-30 13:47:11 UTC hello@padlet.com 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203692794 2017-11-05 22:22:36 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203692794 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203692958 sand dunes form when wind blows sand into a sheltered area behind an obstacle, such as a large rock]]> 2017-11-05 22:24:17 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203692958 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203693378 2017-11-05 22:28:22 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203693378 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203694364 For example, at Bryce Canyon, frost wedging forms Hoodoos, by the water expanding inside the rock]]> 2017-11-05 22:38:36 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203694364 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203696239 2017-11-05 22:55:42 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203696239 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203696534 they are made up of seashells that were broken down to limestone, and washed ashore, and then blown to create dunes]]> 2017-11-05 22:57:57 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203696534 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203697840 2017-11-05 23:11:25 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203697840 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203698930 Deep cracks in a sandstone layer are eroded, exposing the cracks]]> 2017-11-05 23:22:36 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203698930 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699223 2017-11-05 23:25:28 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699223 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699309 They form when debris piles up to form an angle of repose]]> 2017-11-05 23:26:15 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699309 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699507 2017-11-05 23:27:58 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699507 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699680 V-shaped valleys have water running through them, and depend on the characteristics of the stream flowing through it]]> 2017-11-05 23:29:08 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/203699680 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204121258 2017-11-06 20:51:30 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204121258 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204121965 the stream erodes the outer banks, and widens its valley]]> 2017-11-06 20:53:30 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204121965 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204122990 2017-11-06 20:56:01 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204122990 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204123334 When a meander from the main stem of the river is cut off]]> 2017-11-06 20:56:51 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204123334 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204161324 2017-11-06 23:39:44 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204161324 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204161673 Groundwater erodes bedrock layers, such as limestone]]> 2017-11-06 23:42:47 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204161673 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204162046 2017-11-06 23:45:58 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204162046 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204162377 Stalactites: limestone rich water drips from pores in the ceiling of the cave/cavern
Stagmites: similar to stalactites, except they form at the bottom of a cave]]> 2017-11-06 23:49:12 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204162377 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204359249 2017-11-07 14:30:05 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204359249 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204360544 Moraines: deposited material is exposed after the glacier retreats
U shaped valleys: u shaped valleys start as v shaped valleys, and are widened out by the glacier
Cirque: bowl shaped places where ice begins to collect
Arête: two cirques that form back to back and erode the back walls]]> 2017-11-07 14:32:14 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204360544 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204368997 2017-11-07 14:44:54 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204368997 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204369767 Creeps: small movements in soil over time downslope due to gravity
Landslides: little or no flowage of materials until heavy rain hits it 
Flows: fluid like movement of soil
Slump: slipping of coherent rock along a curved surface of a decline
Falls: regolith cascades down a slope, but cannot be classified as a flow]]> 2017-11-07 14:46:04 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204369767 20187048_2 https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204374057 Mass wasting: http://web.csulb.edu/depts/geology/facultypages/bperry/Mass%20Wasting/Introduction_to_Mass_Wasting.htm
Glaciers: http://donlehmanjr.com/Mountain/08%20The%20Dynamics%20of%20Glaciers.htm
Caverns/caves: https://en.wikipedia.org/wiki/Cave
Sinkholes: http://www.independent.co.uk/news/science/sinkholes-what-are-they-how-do-they-form-and-why-are-we-seeing-so-many-9136235.html
Ox-bow lake: https://en.wikipedia.org/wiki/Oxbow_lake
Meandering lake: https://en.wikipedia.org/wiki/Meander
V-shaped valley: https://en.wikipedia.org/wiki/Valley
Talus slope: https://www.britannica.com/science/talus-landform
Natural arch: https://en.wikipedia.org/wiki/Natural_arch
Pinnacles: https://www.nps.gov/pinn/learn/nature/geologicformations.htm
Hoodoo: https://www.nps.gov/brca/learn/nature/hoodoos.htm
Sand dunes: http://www.geography-site.co.uk/pages/physical/coastal/dunes.html]]> 2017-11-07 14:52:10 UTC https://padlet.com/20187048_2/z5uv89ph3g4v/wish/204374057