WEATHERING HEIGHTS
Water freezing underneath a rock & pushing it up out of the ground
What is Frost heaving?
Sheet rocks peel away like layers of an onion
What is exfoliation?
When all 3 kinds of particles are equally evident in the soil
What is loam?
Mechanical weathering that occurs when rocks rub against each other
What is abrasion?
Transforms rocks into new substances
What is chemical weathering?
Water in the pores of the rock freezes and expands during the winter, acting like a wedge and forcing the rock apart
What is frost wedging?
Unusual rock formations
What are hoodoos?
This is the primary force behind erosion
What is gravity?
A stronger acid solution resulting from pollution in the atmosphere
The process of breaking down rocks
What is weathering?
A shift in the ground around rocks that reduces pressure and causes the rocks to expand rapidly
What is pressure release?
Another name for A horizon
What is topsoil?
The sediment carried by a stream
What is a load?
One agent of erosion is
What is water/wind/ice?
This forms when unmelted snow gets compacted down into ice
What is a glacier?
Another name for B horizon
What is subsoil?
A pile of rocks and soil deposited by a glacier
What is a moraine?
Another name for R horizon
What is bedrock?
The dropping of sediment and rocks in a new location
What is a deposition?
The difference between weathering and erosion
What is weathering: the breaking down of rocks?
What is erosion: the moving of weathered material from one place to another?
Two types of chemical weathering
What is oxidation & reaction of acids with minerals in the rocks?
The largest type of particle in the soil
What is sand?
The area of sediment at the mouth of a river
What is a delta?
Sediment settles according to it's weight, causing____to have a layered look
What are depositions?
When wind picks up loose sediment and carries it away
What is deflation?