Document 6592183

~ame
lIIinerals
_
Date __ .
_
Class
_
Name
Guided Reading and Study
Minerals
\= II'-l - 1=' I).)._
Properties of Minerals
_
Date
_
Class
_
• Guided Reading and Study
Properties of Minerals
(continued)
This section explains what mincrats are and 11Olf'tlley call be identified.
'.:1"
Use Target Reading Skills
As .'1011 read about properties of minerais. lise the hcadingsto complete the
outline below.
.
Properties
~E3
of Minerals
What Is a Mineral?
A Naturally
•
Occurring
B. Inorganic
~
c.
D. _.
E.
II.. Identifying
e. Use the concept map to write a definition of a mineral in your own
words. You may use more than one sentence.
_
_
Materials
A. Color
3. Because minerals do not come from living things, they are said to be
B._---,-
.
c.
..
4. A substance
a(n)
D. Density
E.
_
F.
_
that keeps its shape because its particles can't flow freely is
.
..
5. A solid with flat sides that meet at sharp edges and comers is called a(n)
G.
H. Special Properties
What Is a Mineral?
1. Because minerals are formed by -processes that occur in the natural world,
they are said to be
"
'~
2. Complete
the concept map that shows characteristics
of minerals.
~
(;
© PeUison EJulOnOn, lnc., nuLiilhing ul PeOilOnPlOn!;re linll. Allri~!ill "Ierved.
253
© PeollOl1 Eduootion, Inc., jlIJblishing os POOISOllPtentice Holi. All tigh~ reserved.
254
Name
Name
_
Date
__
Class,
Minerals
Minerals
'Cif
. elements
_
Class
__
•
Guided Reading and Study
Guided Reading and Study
Properties of t.\inerals
6. Is the following sentence true or false? A mineral always contains certain
,
Date
_
_
in defi~te
pr~portions.
(continued)
.18. what is the Mohs hardness scale?
~ __ ~ __ ~_
-'-
:;__
~
_
7. Is the following sentence true or false? Very few minerals are
compounds.
19. The softest known mineral is
_
distinct properties
is a(n)
9. In what two ways can elements
.
. The hardest known
mineralis
8. A substance formed when two or more elements combine and lose their
("
'l
.
20. Is the following sentence true or false? A mineral can scratch any
mineral harder than itself.
occur in nature?
__
21. Is the following sentence true or false? Each piece of a mineral has the
same crystal structure.
10. What are some examples of minerals that occur as elements instead of
conlpounds?
_
22. How do geologists classify crystal structures?
~---------------------
Identifying Minerals
11. Is the following sentence true or false? Geol?gists
have identified about
300 minerals.
Definition
Term
12. Is the following sentence true or false? Each mineral has its own specific
properties.
"'!',
Match the term with its definition.
,J.....__
_
13. Why can't color alone be used to identify most minerals?
a. A mineral's ability to split easily
along flat surfaces
23. cleavage
24. fracture
b. A mineral's ability to glow under
ultraviolet light
25. fluorescence
c. The way a mineral looks when it
breaks
14. The color of a mineral's
powder
is its
_
15. The term that describes how a mineral reflects ~ight from its surface is
16. Is the following sentence true or false? Minerals containing metals often
have a shiny luster.
_
17. Circle the letter of each sentence that is true about the density of a
mineral.
a. A given mineral can have varying densities.
b. The larger the sample of a mineral, ,the greater its density.
c. Each mineral has a characteristic
"
density.
d. The density of a mineral is its mass divided by its volume.
;~
© Pearson EdtKation, Inc., publishing os Pearson Prentice Hall. Allrights reserved.
© Peorlon Educonon, Inc., publishing 01 Peorlon Prentice Holi. All rights relerved.
255
256
_
Name
Date
.
Class
_
Name
_
Minerals
Minerals
(tZ.
•
_
Date
_
Class
Review and Reinforce
•
Review and Reinforce
t::' 1.~4 -
How Miner~ls Form
P 1).1-
(it Mineral
below by fillillg in tile blanks.
heats water underground.
_ 2.
and
Mlnar8l(s)
tools, machinery, light-bulb filaments, steel girders
follow cracks within the rock.
1.
---,-
2.
_
leave the solutions during cooling and
as minerals. - The minerals form a narrow
channel or slab in the rock called a(n) 4.
questions
jewelry, decoration, mechanical parts, abrasives
_
3.
Al1swer thefollowillg
Use(s)
dissolve in the hot·
water to form solutions. - These·solutions
3.
~
_
glass, electronic equipment
ill the splices provided.
5. In general, what are the two ways in which minerals form?
4.
6. Describe conditions
f=' (3S
Fill in the blanks ill the table below.
1.
_ Elements and compounds
F 130-
Understanding Main Ideas
Understanding Main Ideas
Complete tileflowe/wrt
Resour~es
in which large and small crystals are likely to form.
y
_
wallboard, cement, stucco
.
Anszoer thefollozoing questions in the spaces provided.
5. What are the three types of mines?
(~
. (:'1
-. ..•.
,~~
6. Describe the smelting of iron ore.
7. Describe how halite deposits f~rm.
Building Vocabulary
7. Why are alloys useful? Describe an example.
Fill in the bla.l1k to complete each statement.
8. A(n)
is a mixture III which one substance is
dissolved in another.
9. A(n)
Building Vocabulary
is a rounded, hollow rock that is often lined
with mineral crystals.
Fill in the blank to complete each statement.
10. The process by which atoms are arranged
to form a material with a
"
crystal structure is called
_
8. A(n)
is a solia mixture of two or more metals.
9. A(n)
economically
is a rock that contains a metal or
useful mineral.
10. A process in which an ore is melted to separate the useful metal from
other elements the ore contains is called
c\\t
© Pemsou Education, Inc, ,uLlishi~g 01 Peorson Prentice Hall. Allrights reserved.
267
© PeoBon Education, Inc., pu~~hiflg as Peil"Ofl PrenNceHall. Allr~hts reserved.
275
_
_
Name
Minerals
t
_
•
Date ----------
Class ----------
Guided Reading and Study
Key Terms
Use the clues to help you unscramble the key terms from Chapter 4. Then put the
numbered letters in order to find the answer to the riddle.
Clues
Key Terms
1. It's how it looks when it breaks.
2. It contains two or more metals.
3. It could be shiny or pearly.
tarfceur
----------1
ylaol
------
rutels
-------
2
3
4. It was never alive.
rincanoig
----------4
rsaekt
5. It's the color of the powder.
temsilgn
6. It includes melting.
------5
-------6
ratlycs
7. It has a repeating pattern.
pucnoodm
8. It contains two or more elements.
9. It's valued because it's beautiful and rare.
nsgoteem
-------7
--------8
----------9
situnloo
10. It's a mixture.
10
11. It's how it splits.
elagveac
11
teemlen
12. It's composed of a single kind of atom.
12
Riddle: Why do some minerals glow?
Answer:
_
1
2
3
4
5
6
7
8
9
10 11 12
"-."
© Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
279