Minerals, Rocks & Rock Cycle

Front

What is a mineral?

Back

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

Front

What does hardness refer to in minerals?

Back

A mineral's resistance to being scratched.

Front

What is a foliated metamorphic rock?

Back

A metamorphic rock where minerals line up in bands.

Front

What type of rock is formed from heated and compressed sedimentary or igneous rock?

Back

Metamorphic rock.

Front

What is lava?

Back

Aboveground molten rock.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks form from cooled magma or lava, while sedimentary rocks form from the accumulation of sediments.

Front

What is the rock cycle?

Back

The continuous process of rock formation and transformation between igneous, sedimentary, and metamorphic rocks.

Front

What is a non-foliated metamorphic rock?

Back

A metamorphic rock that does not have a banded or layered appearance.

Front

What is the definition of streak in minerals?

Back

The color of the powder left when a mineral is scratched on a porcelain plate.

Front

What is the definition of luster in minerals?

Back

The way a mineral reflects light, which can be metallic or non-metallic.