A
A mixture of tiny rock particles, organic matter, water, and air.
What is soil?
This layer is dark and rich because it contains many nutrients and tiny living things like worms. Plants grow their roots here because it has what they need to grow strong.
What is horizon A topsoil
These annimals are important to making and sustaining soil.
What are earthworms
Can be used repeatedly and does not run out because it is naturally replaced.
What are renewable resources?
It is made up of very fine particles, making it smooth and sticky when wet.
What is clay soil?
Horizon-B is
What is subsoil?
The three Rs of sustainability.
What is Reduce, Reuse, Recycle?
A natural substance that is not replenished with the speed at which it is consumed.
Ex. oil, natural gas, coal, and nuclear energy
What are non renewable resources?
often used in construction for making concrete.
What is sand?
made up of weathered rock pieces. This layer is less broken down than the layers above. It is the parent material from which the soil forms over many years.
What is horizon -c parent material
Where solar power comes from
What is the sun?
has very fine particles that feel soft and powdery when dry.
What is silt soil?
It forms the foundation under all the other soil layers.
What is horizon R bedrock
Wabanaki term for taking only what you need to keep nature balanced.
What is interconnectedness?
a balanced mixture of sand, silt, and clay, making it ideal for most plants.
What is loam soil?
In one teaspoon of this, there are more microorganisms than there are people on the earth.
What is soil?
resources that exist without any actions of humankind. Thus water, air, soil, minerals, coal, forests, crops, and wildlife are all examples of natural resources.
What are natural resources?