Soil is made of a 4 groups of substances. what are they?
Organic materials, inorganic materials, air and water
Substance from food that all living things need in order to grow
nutrient
What do you call soil withe the larger than clay and smaller than sand?
silt
Which plant, the cactus or tulip, does well in soil with good drainage? Why
cactus. Cactus do well with drainage because they need their root dry.
Nutrient found in soil
mineral
What is inorganic?
Inorganic is from non-living thing wuch as mineral, iron, air, and water.
What do you call soil withe the finest rock particle?
clay
How rock break down into small pieces to become a part of soil? Give 3 examples.
Moving water and Plants roots crack rock apart. Water seeps into cracks and expand when it freezes, Wind breaks apart and moves pieces of rock, Glaciers
What is organic?
Organic is from living or once-living things such as earthworms and leaves.
Name the 3 different type of soil?
sand, silt, clay
What do you call organic part of soil such as decaying leaf and animal waste? what it does to plants
humus Humus help soil structre to hold plant's root in place.
What Is Loam Soil?
Loam soil is composed of almost equal amounts of sand and silt with a little less clay to hold right amount of water.
Name two things that soil provides for plants
water and nutrients
List soil that holds the water most and stick together well to the least.
Clay - Silt - Sand, the smaller the better hold water.
What do you call soil withe the largest rock particle?
sand
ability to allow water to empty out
drainage
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