Minerals

A natural solid substance that has a definite chemical composition and physical structure is a ______?

• Rock

• Mineral

• Gem

• Soil

An unknown mineral can be scratched by corundum, but not by orthoclase. Which of the following best describes the hardness of the unknown material?

• Less than 5

• More than 9

• Less than 9, but more than 6

• More than 4, but less than 6

Tags

NGSS.2-PS1-1

NGSS.2-PS1-2

The property of a mineral splitting evenly along a flat surface is

• Luster

• Streak

• Cleavage

• Fracture

The property of a mineral splitting unevenly is

• Luster

• Streak

• Cleavage

• Fracture

The mass of an object in a given space is known as its

• Color

• Luster

• Density

• Fracture

How a mineral reflects light from its surface is known as

• Streak

• Element

• Fracture

• Luster

Tags

NGSS.2-PS1-1

What mineral property is determined by scratching a mineral across an unglazed, white tile?

• Hardness

• Color

• Streak

• Cleavage

A physical property that is easy to observe is

• Luster

• Color

• Hardness

• Density

The color of the powder left behind by a mineral.

• Streak

• Cleavage

• Color

• Luster

Naturally occurring substances that are usually

• solid and inorganic.

• Soil and metallic

• Metallic and inorganic

• None of the above

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2