Unit 9 Test Review

A mineral must be all of the following except:

• Naturally occurring

• Solid

• Living

• Definite chemical composition

Which of the following is a use for copper?

• Electrical wires, plumbing, coins

• Jewelry, computers, spacecraft, dentistry

• Batteries, ammunition

• Glass, computer chips

Why are minerals important?

• They are used in making plastics

• They are essential for plant growth

• They make up rocks and contain important elements

• They are used in food production

Tags

NGSS.MS-ESS3-1

What indicates slow cooling of molten rock?

• Small crystals

• Large crystals

• No crystals

• Medium crystals

Tags

NGSS.MS-PS1-4

If minerals do not contain silicon (Si), they are:

• Silicates

• Non-silicates

• Oxides

• Sulfates

What is the first property you notice in mineral identification, which is usually the first step but the least useful?

• Color

• Hardness

• Streak

• Cleavage

What is a mineral's resistance to being scratched called, and how is it measured?

• Streak; Moh's Scale

• Hardness; Moh's Scale

• Cleavage; Moh's Scale

• Fracture; Moh's Scale

What is the color of the powder left when a mineral is rubbed against a hard rough surface?

• Streak

• Luster

• Cleavage

• Fracture

What term describes the way light reflects from a mineral's surface?

• Streak

• Luster

• Hardness

• Fracture

Tags

NGSS.MS-PS4-2

What is the term for a mineral that breaks along a smooth surface?

• Fracture

• Cleavage

• Streak

• Luster