Rock and Mineral Mastery

Rocks are naturally occurring solids composed of minerals, and they come in three main types: igneous, sedimentary, and ___________.

• Metamorphic

• Synthetic

• Organic

• Crystalloid

Rocks are naturally occurring solids composed of minerals, and they come in three main types: igneous, sedimentary, and ___________.

• Metamorphic

• Synthetic

• Organic

• Crystalloid

The ___________ is a series of processes through which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes.

• Rock Cycle

• Mineral Matrix

• Sedimentary Stream

• Igneous Path

When magma cools and solidifies, it forms ___________ rocks.

• Sedimentary

• Metamorphic

• Igneous

• Porous

A rock that has been changed by heat and pressure into a new kind of rock is called a ___________ rock.

• Igneous

• Metamorphic

• Sedimentary

• Compact

The hardness of a mineral is measured on the ___________ scale.

• Richter

• Mohs

• Beaufort

• Celsius

The color of a mineral's powder when it is rubbed against a porcelain plate is known as its ___________.

• Luster

• Cleavage

• Streak

• Fracture

Minerals can form from the cooling of magma or lava, through evaporation of liquids, or by ___________ from mineral-rich water.

• Precipitation

• Condensation

• Sublimation

• Filtration

The tendency of a mineral to break along flat surfaces is known as ___________.

• Fracture

• Cleavage

• Streak

• Luster

Sedimentary rocks are often formed by the compaction and cementation of sediments, a process known as ___________.

• Metamorphism

• Lithification

• Crystallization

• Subduction