Earth Science: Rocks & Minerals Quiz

What are the three major types of rocks?

• Igneous, Sedimentary, Metamorphic

• Igneous, Volcanic, Crystalline

• Sedimentary, Volcanic, Metamorphic

• Crystalline, Igneous, Volcanic

What two sources of energy drive the processes that form rocks in the rock cycle?

• Wind and Water

• Earth's Interior and Sun

• Moon and Stars

• Ocean and Atmosphere

What is the difference between extrusive igneous rocks and intrusive igneous rocks?

• Extrusive rocks form inside Earth, intrusive rocks form on the surface

• Extrusive rocks form on the surface, intrusive rocks form inside Earth

• Both form on the surface

• Both form inside Earth

What are fossils and why are they useful?

• Remains of plants, useful for decoration

• Remains of animals, useful for jewelry

• Remains of organisms, useful for understanding past life

• Remains of rocks, useful for construction

A glassy texture occurs when lava cools so ______ that ions do not have time to form into crystals.

• Rapidly

• Slowly

• Evenly

• Irregularly

What are the building blocks of minerals?

• Atoms

• Elements

• Compounds

• Molecules

What is cleavage in minerals?

• Break along smooth flat surfaces

• Break along rough surfaces

• Break into small pieces

• Break into irregular shapes

How are rocks classified?

• By color

• By size

• By how they are formed

• By weight

What are the characteristics of minerals?

• Crystalline structure, formed by organic matter

• Crystalline structure, formed by inorganic matter, definite chemical composition

• Amorphous structure, formed by organic matter

• Amorphous structure, formed by inorganic matter

What is a rock?

• Mixture of minerals

• Single mineral

• Organic matter

• Liquid form of minerals