Characteristics
This is the way that a mineral reflects light.
Luster
A hard, natural substance made of one or more minerals that contain organic materials.
A rock.
This is the center of the earth.
The core.
A substance made of things that were never alive.
Inorganic.
A mineral that can be cut and polished for use.
A Gemstone.
This is the ability of a mineral to resist scratching.
Hardness.
These are the different classification of rocks based on how they are formed. (3 answers)
Igneous, Sedimentary, Metamorphic.
This is the thin outer layer of the earth.
The Crust.
A substance made of things that were alive.
Organic.
The Loose material on the surface of the earth in which plants grow.
Soil.
This is the color of the mark made when a mineral sample is rubbed on a harder surface.
A streak.
This is how an Igneous rock is formed.
cooled magma or volcanic lava.
This makes up most of the earth's mass.
The mantle.
An inorganic substance found naturally in the earth.
Mineral.
A rock like substance that forms from decayed plant matter.
Coal.
This is a break along smooth, straight lines or into flat sheets.
Cleavage.
This is how sedimentary rocks are formed.
layers of sediment and organic materials hardened
This is where minerals can be found.
The surface of the earth. Earth's crust in rocks or in veins.
This scale is used to determine the hardness of minerals.
the Mohs scale.
Name three uses of minerals.
toothpaste, electronics, fertilizer, glass, dry wall, foods, paints, pottery, drinks, medicines
This is a break along an uneven line in many directions.
fracture
This is how metamorphic rock is formed.
through heat and pressure deep below the earth's crust.
The scientist that studies the structure, rocks, and minerals of the earth.
A geologist.
The movement of sediment from one place to another.
Erosion.
How could weathering and erosion help people find minerals?
Remove some of the surface materials and expose lower levels of the earth where minerals might be found.