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4.7A

Properties of Soil

DefinitionTerm
rocks, air, and water Components of Soil
color, texture, ability to retain water, supports growth, particle size Properties of Soil
the way a surface feels (smooth, rough, sticky, or fuzzy) Texture
very small in size, tiny, a speck, crumb Particle
smaller stones, pebbles of rock, no water stays, no nutrients Gravel
finer and softer sand, like flour, silky smooth, slippery when wet, some water stays, some nutrients but erodes easily Clay
the best soil of all because it's a mixture of humus, clay, and sand Loam
dark and chunky soil full of organic matter and plants, sticks and leaves Humus
below the humus, and is where the seeds will germinate Topsoil
a substance that an organism needs in order to survive and grow Nutrient
to keep in or hold back Retain
to rot, to decay, or to break down into smaller parts Decompose
Created by: 4thscience
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