Earth Science Unit 2.2 (Soil) Vocabulary

Instructions: Each row makes one card. Cut along the double lines and fold along the single lines. Then glue or tape the sides together.

fossil	the preserved remains or impression of an organism that lived in the past
topsoil	rich soil formed from organic materials, mineral fragments, water, and air
soil profile	a cross section of the layers of soil and bedrock in a particular region

unconformity	the eroded surface that lies between two groups of strata
pore space	the amount of space between soil particles
bedrock	the layer of solid rock beneath the soil
petrification	a process in which the organic portion of an organism is infiltrated or replaced with minerals

fault

a fracture in the earth's crust along which rocks move