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5th grade Soil test

soil test

dirt soil
important things to life on Earth water, air, and soil
soil is made of rock sediment
soil is made of organic matter
soil is made of water
soil is made of air
organic matter what comes from decaying animals and other dead things
things that live in soil insects, snakes, moles, microbes, worms, etc.
earth worms most important creature found in soil
microbes living things that are too tiny to see without a microscope
needed for soil to grow time
needed for soil to grow parent material
needed for soil to grow organisms
needed for soil to grow climate
needed for soil to grow topography
humus top layer of soil where animals live because it is full of dead and decaying plants
top soil layer where plants put their roots.
sub soil heavy layer that is difficult to dig through because it is made up of mostly clay
sub soil has almost no organic matter in it
parent material layer that is rocky and hard
parent material building foundations
sub soil house basements
top soil farmers want this so their crops can grow fast and strong
Created by: fhershey