360 likes | 517 Views
Chapter 2: Minerals Test Review. What’s your favorite college football team?. Louisville Georgia Kentucky Alabama Tennessee UCLA Florida None of the Above. Crystals may be ___. Cubic Monoclinic Tetragonal All of the Above. A quartz crystal is ___ in shape. cubic hexagonal
E N D
What’s your favorite college football team? • Louisville • Georgia • Kentucky • Alabama • Tennessee • UCLA • Florida • None of the Above
Crystals may be ___. • Cubic • Monoclinic • Tetragonal • All of the Above
A quartz crystal is ___ in shape. • cubic • hexagonal • tetragonal • monoclinic
As magma cools, its __ combine into compounds that form a crystal structure, and it becomes a mineral. • atoms • elements • electrons • None of the above
Minerals are made of one or more ___. • colors • elements • rocks • structures
A mineral is classified as an ore as long as ___. • It is rare and valuable • It can be used as jewelry • It is profitable and useful • It is solid and natural
Minerals mined because they contain useful substances are ___. • gems • ores • minerals • rocks
The tendency of minerals to break with rough or jagged surfaces is called ___. • hardness • luster • fracture • cleavage
A collector of minerals would want a sample of ___. • salt • coal • sugar • wood
A measure of how easily a mineral can be scratched is ___. • ores • hardness • fracture • cleavage
All minerals share __ basic characteristics. • two • three • four • ten
One of the softest minerals is ___. • topaz • quartz • talc • amethyst
All minerals share the following characteristics EXCEPT that of ___. • Being formed by natural processes • Being formed by living organisms • Being solids • Having the atoms within the mineral arranged in a pattern
The hardness of quartz is 7. This indicates that quartz will scratch all of the following minerals EXCEPT ___. • talc • apatite • diamond • calcite
Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called ___. • hardness • streak • fracture • cleavage
Calcite with scratch gypsum. This is an example of the physical characteristic called ___. • hardness • streak • fracture • cleavage
The color of a powdered mineral is called ___. • fracture • color • cleavage • streak
The properties of being __ make a diamond a gemstone. • Rare and beautiful • Useful and profitable • Easy to obtain and beautiful • Rare and profitable
If the cost of separating a mineral from waste rock becomes too great, the mineral may no longer be classified as an ore. This happens because ___. • The mineral can no longer be mined at a profit • The mineral has lost its usefulness • The demand for the mineral has decreased • None of the above
A mineral is no longer classified as an ore once it is no longer ___. • useful • profitable • Obtainable at a reasonable cost • All of the above
A mineral is an organic ___ with a unique crystal structure. • atoms • color • solid • magma
Some minerals are formed when ___ cools. • magma • atoms • crystals • luster
The term crystal system refers to the patterns that __ form in a crystal. • atoms • solids • magma • color
The distinctive yellow appearance of sulfur is considered the mineral’s ___. • streak • luster • color • fracture
When liquid evaporates, atoms of any dissolved minerals stay behind and form ___. • solid • crystals • magma • color
Tests for hardness and streak help ___ minerals. • identify • color • luster • create
Two types of __ are metallic and nonmetallic. • atoms • color • solid • luster
Two minerals that are ores of titanium are __. • Lightweight and durable • Ilmenite and rutile • Bauxite and garnet • Spinel and Emerald
Qualities of a mineral that make it a gemstone are ___. • Usefulness and profitability • Beauty and rarity • Lightweight and durable • Amount and color
A mineral is a crystalline liquid. • True • False
Some minerals form when magma cools. • True • False
Minerals that are different in other properties may be alike in color. • True • False
Two types of cleavage are metallic and glassy. • True • False
Minerals called ores are mined because they contain beautiful substances. • True • False
All gems are minerals. • True • False