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Chapter 6 Lesson 2

Solid Rock Bedrock
bits of decayed plants and animals that add nutrients to soil Humus
Soil made up of a mixture of sand, silt, and clay Loam
Material on Earth that is necessary or useful to people Natural Resource
Top layer of soil; dark and has the most humus and minerals Subsoil
A mixture of minerals, weathered rock, water, air, and living things Soil
The structure on a plant that takes in water Roots
Small grains of sand (holds very little water) Sandy Soil
Grains smaller than sand (silt) Silty Soil
Smallest grains, holds water best Clay Soil
Made up of a mixture of silt and clay Soil
What lives in the soil? Worms, ants, beatles, roots
What are the layers of soil? Topsoil, subsoil, bedrock
What are the different types of soil? Clay soil,sandy soil, loam
Created by: Rebekah Bowles