Layers of the Earth
This is the thin outer layer of the earth.
What is the crust?
This is an organic substance found naturally in the earth's crust.
What is a mineral?
This characteristic results when a rock sample is rubbed against a piece of tile and the color is the mark is examined.
What is streak?
This type of rock is formed when layers of sediment and organic material harden.
What is a sedimentary rocks?
What do we call a mineral that can be cut and polished for use?
What is a gemstone?
This is the inner layer of the earth.
What is the core?
This kind of substance is made up of things that have never been alive.
What is inorganic?
This characteristic results from how a mineral reflects light.
What is luster?
This type of rock is formed by heat and pressure deep below the earth's crust.
What is a metamorphic rock?
This is a rock-like substance that forms from decayed plant matter.
What is coal?
This is the middle layer of the earth.
What is the mantle?
This is a scientist who studies minerals.
What is a mineralogist?
This characteristic refers to how easily the mineral resists scratching.
What is hardness?
This type of rock is formed from magma or volcanic lava.
What is a igneous rock?
This is made up of small bits of weathered rock produced from weathering.
What is sediment?
Soil and growing plants are found in this layer.
What is the crust?
This results from the orderly arrangement of the particles that make up a mineral.
What is a crystal?
This characteristic occurs when a mineral breaks along smooth, straight lines or into flat sheets.
What is cleavage?
This is the hot melted rock that makes up the mantle of the earth.
What is magma?
This is the movement of sediment from one place to another.
What is erosion?
Most of the earth's mass is found in this layer.
What is the mantle?
This scale is used to measure the hardness of minerals.
What is Mohs Scale?
This characteristic occurs when a mineral breaks unevenly in many different directions.
What is fracture?
This is a scientist who studies the structure, rocks, and minerals of the earth.
What is geologist?
These minerals are held inside rock ore and found in veins.
What are metals?