Ch. 9 Test Earth & Space

Most rocks that make up the crust are mixtures of various minerals.

• True

• False

The common minerals in the earth's crust are called red clay.

• True

• Fasle

Ten of the most common minerals in the Earth's crust make up 75 percent of the mass of the crust.

• True

• False

Orthoclase feldspar is a result when potassium is combined with silicon and oxygen atoms.

• True

• False

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

The Moh's scale is ued to determine luster.

• True

• False

A __________ is a nature, inorganic solid formed in the earth.

• Mineral

• Element

• Atom

• Compound

How many minerals are in the earth's crust?

• 2000

• 20

• 200

• 20,000

Tags

NGSS.MS-ESS3-1

How many minerals are common in the earth's crust?

• 20

• 2000

• 200

• 2

Tags

NGSS.MS-ESS3-1

All silicate minerals contain atoms of _________ and ________.

• silicon, oxygen

• silicon, hydrogen

• silicon, carbon

• oxygen, sulfur

Tags

NGSS.MS-PS1-1

___________ is the most common silicate mineral.

• Feldspar

• Quartz

• Halite

• Clay