Rocks and Minerals Review

Which is NOT a property of grain texture used when determining mineral composition?

• size

• density

• pattern

• shape

Because minerals do NOT come from living things they are said to be

• organic

• inorganic

Which of the following are categories of characteristics that help identify minerals?

****Multiple choices may be correct!****

• fracture

• hardness

• cleavage

• luster

• density

A process that occurs on Earth's surface slowly changing rock from one kind to another is called

• streak

• evaporation

• the rock cycle

• morphication

• crystallization

Igneous rock that formed from lava that erupted on Earth's surface is

• sandstone

• extrusive rock

• shale

• intrusive rock

Intrusive Rock vs. Extrusive Rock

• Extrusive

• tiny crystals

• Extrusive

• Formed from lava cooling after a volcanic eruption

• Intrusive

• Cools slowly forming large crystals

• Extrusive

• Cools inside the Earth

• Intrusive

• Cools quickly

The softest known mineral is

• talc

• diamond

• obsedian

• marble

The hardest known mineral is

• talc

• limestone

• diamond

• granite

What process causes crystallization of minerals from magma?

• pressure

• cooling

• cemetation

• deposition

The repeating pattern of a mineral's particles form a solid called a(n)

• crystal

• stone

• compund

• element