Rocks and Minerals Flashcard

Front

A solid, nonliving material that forms in nature can best be described as:

Back

Mineral

Front

What are the best physical properties to identify in minerals?

Back

Color, hardness, luster, cleavage, and streak color

Front

Why is color alone not a good way to identify minerals?

Back

Minerals come in many colors and different minerals can have the same color.

Front

What is the most noticeable property of this rock?

Back

It has a fossil in it

Front

What physical property of a mineral is being investigated if it can be scratched by metal but not by a fingernail?

Back

Hardness

Front

How do igneous rocks form?

Back

Melted rock that cools and then hardens

Front

Observations: small rock pieces, remains of past organisms, looks like layers that have been squashed together and easily break. What type of rock is this?

Back

Sedimentary

Front

These types of rocks formed when heat or pressure changed them to different kinds of rock. What kind of rock is being described?

Back

Metamorphic