Importance of Soil

Give 3 main reasons why soil is so important.

• It supports plant growth, regulates water, and recycles nutrients.

• It is a source of minerals, provides habitat, and is used in construction.

• It is used for pottery, supports plant growth, and is a source of minerals.

• It regulates water, is used in construction, and provides habitat.

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What do we mean by soil texture?

• The color of the soil.

• The size of the soil particles.

• The temperature of the soil.

• The moisture content of the soil.

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Soil is a combination of 4 parts. What are they?

• Sand, silt, clay, and organic matter.

• Sand, water, air, and minerals.

• Silt, clay, water, and organic matter.

• Sand, clay, minerals, and air.

What main 3 rock particles is soil made up of?

• Sand, Silt, and Clay

• Gravel, Pebbles, and Stones

• Dust, Ash, and Gravel

• Sand, Pebbles, and Dust

What is loam soil made up of?

• A mixture of sand, silt, and clay

• Only sand

• Only clay

• Only silt

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Which soil type is best for growing most plants?

• Clay soil

• Silt soil

• Sandy soil

• Loam soil

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How does soil texture affect water retention?

• Loam soils do not retain any water.

• Sandy soils retain more water than clay soils.

• Silt soils retain the least amount of water.

• Clay soils retain more water than sandy soils.

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Sandy soils are more compact

• TRUE

• FALSE

Organic matter in soil helps to....

• Breakdown and aerate the soil

• Harden the soil

• increase the number of invertebrates in the soil

• Make the soil more compact

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The Common Beech tree likes sandier, free draining soils

• TRUE

• FALSE

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