Earth Science Geology, the Environment, and the Universe

Chapter 4: Minerals

Chapter Tests Practice-English

1
A mineral is __________ if it can be mined for profit.
A)an igneous rock
B)an ore
C)a crystal
D)a rock
2
A mineral's __________ is the color when it is powdered.
A)hardness
B)streak
C)density
D)luster
3
What is caused by the presence of trace elements in a mineral?
A)luster
B)streak
C)color
D)hardness
4
What is the hardness of quartz?
A)2
B)7
C)9
D)4
5
What is the molten material under Earth's crust called?
A)solution
B)minerals
C)basalt
D)magma
6
What is the most abundant element in Earth's crust?
A)potassium
B)oxygen
C)silicon
D)iron
7
What makes a mineral a gem?
A)its deep color
B)its rarity and beauty
C)its association with native elements
D)its pearly luster
8
Which crystal shown in the figure is the type of crystal found in pyrite?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078746361/561675/21mineral_ss_040c.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>


A)1
B)2
C)3
D)none are found in pyrite
9
Which is a mineral?
A)salt
B)amber
C)coal
D)sugar
10
Which is not a characteristic of a mineral?
A)naturally occurring
B)organic solid
C)specific chemical composition
D)definite crystal structure
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.