Weathering
the laying down of sediment carried by wind, flowing water, the sea or ice in a new location
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)?
Cold, Dry climates
What is best conditions for mechanical/physical weathering?
Process by which rocks are broken by chemical reactions.
What is chemical weathering?
this is an agent(cause) 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 animals burrow (dig) holes allowing water or ice to get in.
What is biological or animal weathering?
removal or transportation of weathered material from one place to another
What is erosion?
Warm, wet climates.
What is the best conditions for Chemical Weathering?
another word for physical weathering
What is mechanical weathering
What is temperature and Precipitation
What is type of rock or environment?
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 acids from chemicals in fertilizer or pollution
What is acid rain?