Minerals Test

Front

Mineral

Back

A substance that forms in nature, is a solid, has a definite chemical makeup, and has a crystal structure.

Front

Streak (in the context of minerals)

Back

The color of the powder left behind when a mineral is scraped across a surface.

Front

Which of the following best describes a crystal?

• A substance that forms in nature, is a solid, has a definite chemical makeup, and has a crystal structure.
• The way in which light reflects from its surface (metallic or non-metallic).
• The tendency of a mineral to break along flat surfaces.
• A solid in which the atoms are arranged in an orderly, repeating 3D pattern.

Back

A solid in which the atoms are arranged in an orderly, repeating 3D pattern.

Front

Cleavage (in the context of minerals)

Back

The tendency of a mineral to break along flat surfaces.

Front

What does "luster" refer to when discussing minerals?

Back

The way in which light reflects from its surface (metallic or non-metallic).

Front

Fracture (in geology)

Back

The tendency of a mineral to break into irregular pieces

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Density

Back

The amount of mass in a given volume of a substance

Front

Hardness (in terms of a mineral's properties)

Back

The mineral's resistance to being scratched

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Magma

Back

Molten rock inside the Earth

Front

How is "Lava" different from "Magma"?

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Lava is molten rock that has reached the Earth's surface