Vocab
A natural solid substance that has a definite chemical composition and physical structure.
What is a mineral?
The top layer of the ground
What is topsoil?
The scale that measures the hardness of minerals
What is the Mohs Scale?
Igneous rocks that cool underground.
What are Intrusive Igneous Rocks?
A rock formed when melted rock hardens.
What is an igneous rock?
The very bottom layer of the soil
What is bedrock?
Seawater, Earth's crust, animal shells, the mantle, the crust, caves, and mineral-rich hot water, and in geodes.
Where can minerals be formed?
Igneous Rocks that cool on Earth's surface.
What are Extrusive Igneous Rocks?
melted rock underneath the earth's surface
What is magma?
The process that changes rock from one type to another.
What is the rock cycle?
Calcite
What mineral is formed in caves?
the process that happens when cooler temperatures cause magma to harden into rock.
What is crystallization?
melted rock above the earth's surface
What is lava?
The process by which metamorphic rock is formed
What is metamorphism?
Streak, fluorescence, crystal structure, cleavage, and hardness.
What are the properties used to identify minerals
Clastic and Chemical
What are the two main groups of Sedimentary rocks?
Rock forms when layers of sediment settle over time and bind together.
What is a Sedimentary rock?
Rock that is made from igneous or sedimentary rocks that have been changed by high pressure, temperature, or very hot water
What is a metamorphic rock?
Triclinic, monoclinic, orthorhombic, tetragonal, hexagonal, and cubic
What are the 6 crystal shapes?
Construction, glass, jewelry, tools, blades, cleaning products, chalkboards, roof shingles, and flooring.
What are some things rocks can be used for?