Unit 4 Earth Materials Review

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

Tags

NGSS.MS-PS4-2

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

Which test is not reliable in identifying minerals

• streak
• luster
• specific gravity
• color

Tags

NGSS.MS-PS1-2

Breakage along smooth, flat planes

• fracture
• cleavage
• streak
• ore

Breakage along rough or jagged edges

• cleavage
• fracture
• streak
• luster

Metallic and nonmetallic are two examples of the physical property _______________.

• streak
• color
• luster
• cleavage

A mineral breaks into pieces as shown in the picture. How would you describe its breakage?

• Fracture

• Cleavage

• Glassy

• Waxy

When something is inorganic, it _________________

• is naturally occurring
• is not sprayed with pesticides
• has cleavage
• is not alive and never was

What does scratching a mineral with a piece of glass test for?

• Streak
• Hardness
• Color
• Breakage