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What's the definition for soils ? Soil is the thin layer of loose material that covers the surface of the earth
What are the 5 materials that make up soils ? Mineral matter ,water ,air,living organisms and humus
What is the largest component of soil Mineral matter
What is mineral matter made of Broken down materials left by weathering of rocks. (Stones,sand,clay and silt)
What is the function of mineral matter It helps nourish plants that grow in the soil
What is the function of water It dissolves the mineral and nutrients in the soil which allows plants to absorb them through their roots.
Where is air found Air is found in the spaces between soil particles
What dose air supply Oxygen and nitrogen
What do living organisms do to the soil They burrow through the soil allowing water and air to pass through this helps to mix the soils
What do micro organisms do They break down dead plants and creatures to form humus
Describe humus A dark jelly like substance that is rich in nutrients
What's leaching Washing away of minerals and nutrients out of reach of plant roots by heavy rainfall
Parent soil The type of rock in an area influences the development of soil
What's the most common soil in Ireland Brown soils
What's an other popular soil in Ireland Podzols
Created by: Sophiekenna