What is mineral?
It is a solid matter found in nature.
What is crystal?
It is a solid material whose constituents are arranged in a highly ordered microscopic structure,
What is rock?
It is a solid, natural material made up of one or more minerals.
What is sedimentary rock?
It is made from pieces of rocks and minerals.
What is igneous rock.
It is formed from melted Earth materials called magma and it is expelled to the surface with form of lava.
What is metamorphic rock?
It is a rock that is changed by heat and pressure.
What are fossils?
Fossils can form when an organism is buried in soft mud.
What is organic matter?
It is any substance that is made of living things or remains of living things.
What is humus?
The organic part of soil, is rich in nutrients needed by plants.
