Chapter 8: Rocks & Minerals

Naturally occurring solid that can form by inorganic processes and that has a crystal structure and a definite chemical composition.

• mineral

• inorganic

• crystal

• streak

Not formed from living things or the remains of living things

• mineral

• inorganic

• crystal

• streak

The solid formed by the repeating pattern of a mineral’s particles

• mineral

• inorganic

• crystal

• streak

The color of a mineral’s powder.

• inorganic

• crystal

• streak

• luster

How light reflects from a mineral’s surface

• crystal

• streak

• luster

• rock forming mineral

Any of the common minerals that make up most of the rocks of Earth’s crust.

• streak

• luster

• rock-forming mineral

• sedimentary rock

A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together.

• igneous rock

• sedimentary rock

• metamorphic rock

• chemical rock

A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.

• igneous rock

• sedimentary rock

• metamorphic rock

• chemical rock

small, solid pieces of material that come from rocks or living things

• sediment

• sedimentary rock

• cementation

• solution

The effects of freezing and thawing, plant roots, acid, and other forces on rock.

• erosion

• deposition

• weathering

• compaction