Types Of Soil Flashcards
(5 cards)
What is soil?
Soil is a mixture of inorganic materials, organic materials, and small pockets of air and water.
Soil is essential for plant growth and ecosystems.
What are inorganic materials?
Inorganic materials are substances found in nature that do not contain the element carbon, such as:
* pieces of rock
* sand
* pebbles
* silt
* clay
Inorganic materials form the mineral component of soil.
What are organic materials?
Organic materials are substances that do contain the element carbon, such as:
* particles from decomposed animals
* particles from decomposed plants
Organic materials keep the soil fertile and provide nutrients important for plant growth.
Fill in the blank: Soil is a mixture of _______ materials, organic materials, and small pockets of air and water.
inorganic
True or False: Organic materials in soil are important for keeping it fertile.
True