the wearing away of rock into smaller pieces
weathering
to get bigger
expand
smaller pieces of dead plants and animals, which makes soil rich wih things plants need
humus
how something feels when you touch it
texture
a fine(small) grained sediment which feels smooth and soft
silt
firm, fine grained soil
clay
spaces between pieces of soil
pores
a dark soil with a mix of sand, silt, clay, and humus
loam
when soil is washed away by wind and/or rain
erosion
to wear away
erode