Rocks & Minerals Review

The way a surface (of a mineral) reflect light. Either metallic or nonmetallic:

• Cleavage
• Streak
• Luster
• Reflection

Which of these minerals is softer than glass (5.5)?

• Topaz (8)

• Corundum (9)

• Calcite (3)

• Orthoclase (6)

What is shown here?

• luster

• hardness

• cleavage

• streak

Tags

NGSS.MS-PS1-2

How much a mineral resists scratching is

• Streak
• Fracture
• Hardness
• Cleavage

_________ is when a mineral splits along flat surfaces.

• color
• cleavage
• fracture

___________ breaks in irregular or with jagged edges.

• properties
• hardness
• cleavage
• fracture

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster

• color

• streak

• cleavage

How do minerals form from magma or lava?

• When the magma or lava is hot the pressure from earth's surface creates crystals

• The particles inside the magma or lava dissolve and create crystals

• As the magma or lava cools down or hardens to a solid state it creates crystals

How do some minerals form from water solutions?

• Evaporation

• Cooling & Hardening

• Veins deep in earth's crust

Tags

NGSS.MS-ESS2-4

How do some minerals form from water solutions?

• Chemical Precipitation

• Veins deep below Earth's crust

• Cooling & Hardening

Tags

NGSS.MS-ESS2-4