Rocks and Minerals

Which of these is a similarity of rocks and minerals?

• Liquid

• Inorganic compounds

• Found in only one place

• Both can be classified by they're chemical structure.

True or False? Rocks have a definite chemical composition

• True

• False

Tags

NGSS.MS-PS1-2

What is a streak from a mineral?

• The color a mineral displays in a finely powdered form.

• The way a mineral's surface reflects light.

• One of the most reliable ways to identify a mineral.

What is the luster of a mineral?

• The way a mineral's surface reflects light

• compares the resistance of a mineral to being scratched by 10 reference minerals

• Defined as the amount of matter per unit volume

True or False? Fracture is a description of the way a mineral tends to break.

• True

• False

What is density?

• weight

• The Mohs Hardness Scale

• defined as the amount of matter per unit volume

True or False? The hardness of a mineral is the most reliable way to identify a mineral.

• True

• False

What is Cleavage?

• A definite crystal structure

• non-metallic minerals

• Refers to the way some minerals break along certain lines of weakness in their structure

Many minerals have distinctive coloration, but they come in a variety of hues.

• Color

• Streak

What is a common use for Quartz?

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