Rocks and Minerals

Which is not part of the definition of a mineral?

• Naturally occuring

• Organic

• Solid

• Crystalline structure

• Unique chemical composition

What is the definition of a rock (check all that apply)?

• Naturally occurring

• Mineral or mineral-like

• Solid

• Inorganic

What mineral test uses the Moh's scale?

• Hardness

• Streak

• Luster

• Color

Which mineral test tells the color of the mineral when it is powderized?

• Hardness

• Streak

• Luster

• Color

Which mineral test describes the way light reflects off a mineral's surface?

• Hardness

• Streak

• Luster

• Color

What is the most common group of minerals?

• Carbonates

• Oxides

• Sulfides

• Silicates

Which rock classification is created when an existing rock is exposed to heat and pressure?

• Igneous

• Metamorphic

• Sedimentary

What rock classification is created when existing rock is melted and cools back into a solid?

• Igneous

• Metamorphic

• Sedimentary

Which rock classification is created when existing rock is created by lithification (weathering, erosion, deposition, and cementation)?

• Igneous

• Metamorphic

• Sedimentary

Which term refers to breaking rock into sediments?

• Weathering

• Erosion

• Deposition

• Cementation