Rocks and Minerals

A mineral's streak is the color of its ________________.

Geologists use the ___________________ test to determine the hardness of a mineral

Slow cooling of hot magma leads to the formation of _________________________ crystals.

The 20 or so minerals that make up most of the rocks of Earth’s crust are known as ____________________________________________.

Any rock formed when another rock is changed by heat or ___________________ is a metamorphic rock.

Geologists classify sedimentary rocks into three major groups: _________________ rock, chemical rock, and organic rock.

_______________________________ is the process by which sediments get pressed together.

Sand, grains, pebbles, mud, shells, and leaves are all examples of __________________.

3 Truths and a lie. Choose the lie..

• A mineral always has a definite chemical composition

• A minerals always has a crystal structure

• A mineral is always man made

• A mineral is always a solid

Tags

NGSS.MS-PS1-2

3 truths and a lie. Choose the lie..

• The process in which sediment is glued together is called compaction

• Deposition is when sediment settles out of the water or wind carrying it and is laid down on the surface of the Earth

• Inorganic means it contains no materials that were once part of living things

• Rocks are formed from minerals

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4