Chapter 8
Published on Nov 19, 2015
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
Lesson 1 vocab
weathering- the
chemical process that break down rock at earths surface
Photo by bumeister1
Erosion- the process by which water, ice, wind, or gravity moves weathered rock or soil
Photo by Franco Folini
Uniformitarianism- the geologic principle that the same geologic process that operate today operated in the past to change earths surface
Mechanical weathering- the type of weathering in which rock is broke into smaller pieces
Abrasion- the fringing away of rock by other rock particles carried in water, ice, or wind
Ice wedging- process that splits rock when water seeps through cracks then freezes and expands
Photo by subarcticmike
Oxidant- a chemical change in which a substance combines with oxygen as when iron oxides forming rust
Photo by Bev Goodwin
Permable- chairs tic of a material that is full of tiny connected air spaces that water can seep through
Photo by TAPorto
Loam- rich firtle soil that is made up of equal parts of clay, sand, and silt
Photo by Eric C Bryan
Top soil- mixture of humus, clay, and other minerals that forms the crumbly topmost layer
Photo by USDAgov
Decomposer- soil organisms that breaks down the remains of organisms and digests them
Photo by Lucas Hayas
