The way the surface of a mineral reflects light is called _________________ .

How easily the surface of a mineral can be scratched is ________________ .

The color of the powder that a mineral leaves when it is scratched across a special plate is

called ___________________.

Minerals that break in smoothly, flat surfaces have _________________ .

Talc is the hardest mineral

____________ ranks minerals by its hardness.

Emily is sorting the rocks in her collection. One of her rocks is a limestone rock. It contains fossils. What category of rock should she classify limestone?

This type of rock that have changed as a result of heat and pressure

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. The sediments were compacted and cemented together as layers. What type of rock is this?

When magma cools slowly below the Earth’s surface,.........mineral crystals form

Melted rock below the ground

A rock that forms when melted rock, or magma, cools and hardens.

What are the three types of Rocks?

Granite, pumice, and basalt are types of this rock.

Limestone, mudstone, shale, and sandstone are types of this rock.

Is lava above or below ground

The rock cycle is a one-way flow of events.