Minerals

Front

What is a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What is the Mohs scale?

Back

The Mohs scale is a scale that ranks minerals based on their hardness, from 1 (softest) to 10 (hardest).

Front

What does it mean if a mineral is a 10 on the Mohs scale?

Back

It means the mineral can scratch any other mineral.

Front

What is the property of a mineral that describes how it reflects light?

Back

Luster.

Front

What is streak in minerals?

Back

Streak is the color of a mineral's powder when it is scraped against a surface.

Front

How do scientists classify minerals?

Back

Scientists classify minerals based on their properties, such as hardness, luster, color, and streak.

Front

What is the hardest mineral on the Mohs scale?

Back

Diamond.

Front

Where does table salt come from?

Back

Table salt is left behind when water evaporates.

Front

What is the term for the way a mineral feels to the touch?

Back

Texture.

Front

What is a common use of quartz?

Back

Quartz is often used in making glass and electronics.