The thin outer layer of the earth is called

A substance made of things that were never alive is

The color of the mark made when a mineral sample is rubbed on a harder surface is called

A hard, natural substance made of one or more minerals that contain organic materials is called

The loose material on the surface of the earth in which plants can grow

The center of the earth is called

An inorganic substance found naturally in the earth is called

This characteristic of a mineral to break along smooth, straight lines or into flat sheets is called

Weathering produces small bits of weathered rock called

A rock-like substance that forms from decayed plant matter is called

The middle layer of the earth is called

The way a mineral reflects light is called its

Minerals that can be cut and polished for use are called

This type of rock forms when layers of sediment and organic material harden; limestone is an example

The movement of sediment from one place to another is known as

The hot melted rock that makes up the mantle of the earth is called

The ability of a mineral to resist scratching is

This type of gemstones are beautiful and rare

This type of rock is formed by heat and pressure deep below the earth's crust; slate is an example

This is a person who studies the structure, rocks, and minerals of the earth

Most of earth's mass is made up of this layer

This is used to determine the hardness of minerals

True of false: If a substance is a mineral, it cannot be a metal,

This type of rock forms from magma or volcanic lava; obsidian is an example

Name 3 uses of minerals