Rocks and Minerals Flashcard

Front

What is a mineral's hardness?

Back

The ability of a mineral to resist being scratched.

Front

What are rocks primarily made of?

Back

Minerals.

Front

What type of rock is formed by heat and pressure?

Back

Metamorphic rock.

Front

How is igneous rock formed?

Back

From magma or lava that cools and hardens.

Front

What is the Rock Cycle?

Back

The process by which the three rock types change from one type to another.

Front

What is luster in minerals?

Back

The way a mineral reflects light.

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 Mohs Hardness Scale?

Back

A scale that ranks minerals based on their hardness.

Front

What are sedimentary rocks made of?

Back

Particles of sand, silt, clay, and organic materials that have been compacted and cemented together.

Front

What is an example of a metamorphic rock?

Back

Schist or marble.