Quiz on Minerals and Rocks

What is a mineral?

• A naturally occurring solid

• A synthetic material

• A type of rock

• A liquid substance

How many minerals have been identified?

• Over 1,000

• Over 2,000

• Over 3,000

• Over 4,000

What are the three major groups of rocks?

• Igneous, fossil, and sedimentary

• Igneous, sedimentary, and metamorphic

• Sedimentary, metamorphic, and organic

• Mineral, rock, and sediment

How do igneous rocks form?

• From molten material

• From sediment compression

• From the transformation of other rocks

• From weathering processes

What happens if molten material cools slowly?

• It forms small crystals

• It forms large crystals

• It becomes sediment

• It melts again

What are sedimentary rocks made from?

• Molten material

• Pieces of broken-down rocks

• Minerals only

• Fossils exclusively

What is sediment?

• Solidified lava

• Remains of plants and animals

• Pieces of rocks broken down by weathering

• All of the above

How do metamorphic rocks form?

• From water

• From high temperature and pressure

• From cooling magma

• From sediment accumulation

What is contact metamorphism?

• Occurs when rocks are buried

• Occurs near a heat source

• Involves high pressure

• Involves chemical reactions

What type of metamorphic rock is created by contact metamorphism?

• Foliated rocks

• Non-foliated rocks

• Sedimentary rocks

• Igneous rocks