Weathering
the laying down of sediment carried by wind, flowing water, the sea or ice.
What is deposition?
rocks break apart due to plants and animals
What is biological weathering?
rocks are broken into smaller piece by physical processes
What is physical weathering?
weathering that occurs when rock is ground away by friction or impact of other rocks.
What is abrasion?
Ice wedging, tree roots/plants, burrowing animals, abrasion
What are examples of mechanical(physical) weathering (4)?
another word for physical weathering
What is mechanical weathering?
Process by which rocks are broken by chemical reactions.
What is chemical weathering?
this is an agent of weathering
What is wind, water, or ice?
Materials containing iron are exposed to oxygen and water
What is the process of oxidation?
The root of plant grow into cracks in rocks, forcing the cracks to widen, and the rocks to eventually break.
What is plant growth?
the process by which outer layers of rock slowly peel away due to pressure change.
What is exfoliation?
removal or transportation of weathered material from one place to another
What is erosion?
Leaves produce acids into the soils as they decay.
What is acid from living things?
another word for physical weathering
What is mechanical weathering
water in the ground, or ground water can cause chemical weathering.
What are reactions with acid in groundwater?
this is an agent of erosion
What is water, wind, glaciers, or gravity?
Changes in temperature can cause a rock to break.
What are temperature changes?
Mixing of water with carbon dioxide to make carbonic acid, that reacts with rock minerals.
What is carbonation?