Rocks and Minerals Quiz

What is the branch of geology concerned with the compositions, structures, and origins of rocks?

• Mineralogy

• Geomorphology

• Petrology

• Geochemistry

Which type of rock is formed by volcanic activity?

• Igneous

• Sedimentary

• Metamorphic

• Mineral

How are igneous rocks classified?

• By color and crystal form

• By hardness and luster

• By texture and composition

• By density and cleavage

Which type of igneous rock is formed from solidified magma deep underground?

• Intrusive

• Extrusive

• Plutonic

• Volcanic

How are sedimentary rocks formed?

• By volcanic activity

• By metamorphism

• By compacting and cementing sediment

• By crystallization of minerals

Which type of sedimentary rock is formed from eroded fragments of other rocks?

• Clastic

• Chemical

• Organic

• Metamorphic

What is the process by which Igneous and Sedimentary rocks undergo transformation due to high heat, pressure, and chemical processes?

• Erosion

• Weathering

• Metamorphism

• Crystallization

Which type of metamorphic rock has a layered or banded appearance?

• Foliated

• Non-foliated

• Crystalline

• Amorphous

What property of a mineral refers to its resistance to scratching?

• Color

• Crystal form

• Hardness

• Luster

What property of a mineral describes the way light interacts with its surface?

• Color

• Crystal form

• Hardness

• Luster