Weathering
What are the two main types of weathering?
Chemical and Mechanical weathering
What is mass wasting?
Downhill movement of rocks and soil caused by gravity
Which type of rocks is the most easily eroded?
Sedimentary
What are the three basic types of soil?
Sand, Silt, Clay
According to the law of superposition, which undisturbed sedimentary layer is oldest
The bottom most layer/ Lowest layer
What process occurs when water freezes and expands in rock cracks?
Ice wedging
What is Regolith?
loose layer of rock or soil above bedrock
Wind, Water, Ice
In a dirt jar, which layer is at the very top?
Organic layer
A process in which the organic portion of an organism is infiltrated or replaced with minerals.
Petrification
What is the difference between weathering and erosion?
Weathering breaks down rock, while erosion is the removal and transport of the broken pieces to a new location.
Which is faster, Mudflow or EarthFlow
Mudflow
What are the two types of glaciers in glacial erosion
Valley and Continental Glaciers
What is the 4th layer of the 6 soil horizons?
Subsoil
What is the eroded surface that lies between 2 groups of strata
Unconformity
What is the greatest factor in weathering? aka the greatest factor that contributes to weathering.
Climate
What type of mass wasting shifts and tilts trees and fences of type?
Soil creep
Name one type of landform/structure that is created by wind erosion
Either of the following is correct:
Rock Pedestals, desert pavement, Deflation hollows, Loess, Dunes
What soil pH is best for growing plants?
6 or 7
A fossilized leaf is flattened between two rock layers and leaves a thin carbon residue. Name the fossilization process
Carbonization
Name one of the primary agents of Chemical Weathering
Acceptable answers: water, carbon dioxide, oxygen, or acids
Arctic regions
What type of rocks create black sand?
Basalt or heavy metals like magnetite
Which soil particle is smallest: clay, silt, or sand
Clay
Desiccation can also be called?
Mummification