Rocks and Minerals

Front

How much an object or material is useful to people or how much money something will sell for.

Back

Economic value

Front

When two or more materials interact to make a new material

Back

Chemical reaction

Front

One of the properties of rocks and minerals is their shininess.

Back

Luster

Front

A hard part of the earth's crust usually made up of several minerals

Back

Rock

Front

An observable feature of an object for example its size color or hardness

Back

Property

Front

Able to be seen through for example window glass

Back

Transparent

Front

Able to be seen through for example window glass

Back

Transparent

Front

A substance that has a PH lower than 7

Back

Acid

Front

How resistant a material is to being scratched

Back

Hardness

Front

A rock containing many holes or openings

Back

Porous