Soils
The smallest earth material in soil
clay/silt
What is a floodplain?
The breaking down of rock
plant and animal decay in soil
What is humus?
a high uplifted area with steep slopes
What is a mountain?
The change to rock that does NOT change the substance of the rock
What is physical change?
The components of rock, humus, and organisms
What is soil?
A fan shaped deposit formed when a fast-flowing stream flow onto a dry area
What is an alluvial fan?
The change to rock that creates a new substance
What is chemical weathering?
Differences in soils
What is texture, ability to retain water, size and kind of earth materials, amount of humus?
Pieces of rock are carried by water and settle in a new location
What is deposition?
A smooth rock in a riverbed is evidence of what kind of weathering?
Plants can grow in soil that
What is has good drainage, has enough humus, and enough clay?
Pieces of rock are blown away by the wind
What is erosion?
Water frozen in a crack in the rock
What is physical weathering?