Abeka 8th Science Quiz 7

What is the tendency of a mineral to break along certain planes?

• Cleavage
• Luster
• Fracture
• Hardness

What are substances found naturally in the earth that have a crystalline structure?

• Minerals
• Soils
• Rocks
• Gases

What mineral property is a ratio that indicates density?

• Specific gravity
• Density ratio
• Volume displacement
• Mass per unit volume

What quality indicates how a mineral's surface reflects light?

• Color
• Luster
• Hardness
• Texture

What term describes a mineral that glows when exposed to ultraviolet light and continues to glow when the light is removed?

• luminescent
• phosphorescent
• radiant
• fluorescent

Name the scale used to measure a mineral's hardness.

• Becker scale
• Rockwell scale
• Brinell scale
• Mohs scale

Which mineral group is this describing?

largest group of minerals

• Carbonate minerals
• Oxide minerals
• Sulfide minerals
• Silicate minerals

Which mineral group is this describing?

compounds containing fluorine, chlorine, bromine, or iodine

• Halides
• Carbonates
• Oxides
• Sulfates

Which mineral group is this describing?

includes "fool's gold," which is known for its metal-like luster and golden color

• Carbonates

• Sulfides

• Oxides

• Mica

Which mineral group is this describing?

contain carbon bonded to oxygen

• Carbonate minerals
• Silicate minerals
• Oxide minerals
• Sulfate minerals