Rocks, Minerals & Fossils Quiz

A mineral must be which means that is contains no materials that were once part of living things.

A naturally occurring, inorganic, solid with a crystal structure and a definite chemical composition is called a

What is the hardest known mineral? The softest? scale is used to identify the relative hardness of a mineral.

What is the relationship between minerals and rocks?

Magma that cools very slowly beneath the Earth's surface forms minerals with crystals.

Why are brick, steel, and glass NOT considered minerals?

How do scientists classify rocks? Name:

A rock is generally made up of a mixture of:

When all the grains are large and easy to see, the rock has a texture.

When all the grains are so small and difficult to see, the rock has a texture.