A solid material made up of one or more minerals is a

What are the 3 kinds of rocks?

These type of rocks usually have layers and are formed along beaches, rivers, or under the water in lakes or oceans.

The process of rocks changing from one type to another is called the

Rocks can be classified by color, luster, hardness and______

What type of rock can be formed from liquid magma erupting from volcanoes or liquid magma that did not erupt from the volcanoes?

What causes rocks to change?

The hardness of a rock can be tested by using________

This type of rock forms when igneous, sedimentary, or other metamorphic rocks are heated and/or squished, forming a new type of rock.

What type of rock is marble?