This layer is the center of the earth.
What is the core?
This is the color of a mineral that you see.
What is color?
What is a gemstone?
granite
What is igneous?
Hot melted rock under the surface of the earth.
What is magma?
This layer seems to be made of many pieces called plates.
What is the crust?
This is the breaking of a mineral along smooth, straight lines or into flat sheets.
What is cleavage?
These and rubies are the hardest minerals.
What are diamonds?
limestone
What is sedimentary?
What particles in the soil that were once part of a living thing are known as.
What are organic particles?
This is the middle layer of the earth.
What is the mantle?
This is the way a mineral reflects the light.
What is luster?
Minerals are found on the surface of the earth or buried in the earth's crust in rocks or this.
What is soil?
slate
What is metamorphic?
What movement of sediment from one place to another is known as.
What is erosion?
This layer is very hot and under extreme pressure.
What is the core?
This is the color of the mark made when a sample is rubbed on a harder surface.
What is streak?
The orderly arrangement of the particles that make up a mineral.
What is a crystal?
pumice
What is igneous?
A rocklike substance that forms from decayed plant matter.
What is coal?
This layer makes up most of the earth's mass.
What is the mantle?
This refers to how easily a mineral resists scratching; is determined by identifying which substance can scratch the sample.
What is hardness?
These form when melted rocks or hot gasses cool or when dissolved substances separate from water.
What are mineral crystals?
marble
What is metamorphic?
This important historical event changed the earth's crust.
What is the Flood?