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Chapter 7 Rocks and Minerals Lesson 1

Total questions: 35

Worksheet time: 19mins

Name
Class
Date
1.

Coal, graphite and diamonds are all made of ______________.

a)

carbon

b)

coal

c)

carbon fiber

d)

feldspar

2.
Every mineral can form as a ______________ with a regular geometric shape.
a)
crystal
b)
box
c)
circle
d)
rock
3.
Minerals tend to _________ along a plane, or cleave, along flat surfaces parallel to the crystal face.
a)
break
b)
bond
c)
smell
d)
increase in size
4.

Hardness is a measure of the ability of a mineral to resist being ______________.

a)

scratched

b)

touched

c)

moved

d)

burnt

5.
The mineral __________ is used in making ships and paper clips.
a)
feldspar
b)
iron
c)
diamond
d)
steel
6.
There are more than ___________ different minerals on Earth.
a)
1000
b)
2000
c)
3000
d)
300
7.
The Mohs hardness scale rates minerals from a #1 (soft) to a #____ (hardest).
a)
7
b)
8
c)
9
d)
10
8.
A _________ is the only mineral that no other mineral can scratch it.
a)
feldspar
b)
diamond
c)
talc
d)
gypsum
9.
______________ is a mineral that is used for sandpaper because it has a hardness of #9.
a)
corundum
b)
diamond
c)
feldspar
d)
quartz
10.
A copper penny has a hardness of ______ .
a)
1
b)
2
c)
3
d)
4
11.
_____________ is quartz turned purple by small amounts of impurities such as iron.
a)
amethyst
b)
diamond
c)
feldspar
d)
gypsum
12.
________are often round and dull on the outside, but reveal an inside surface covered by quartz crystals.
a)
Geode
b)
Golf Ball
c)
Rock
d)
Petrified Wood
13.
A mineral with _________ glows under an ultraviolet light.
a)
luminescence
b)
led
c)
neonic
d)
fluorescence
14.
Crystal shape is not always helpful in identifying a mineral.
a)
True
b)
False
15.
Use ________ to find out where the mineral falls on the Moh's scale.
a)
hardness
b)
crystal shape
c)
streak
d)
smell
16.
_________ is the color of the powder left behind when a mineral is rubbed on a piece of unglazed tile.
a)
Streak
b)
Streamer
c)
Steam
d)
Dirt
17.
What is the correct order of the hardness "tools"?
a)
fingernail, steel nail, glass, copper wire
b)
fingernail, copper wire, steel nail, glass plate
c)
glass plate, steel nail, fingernail, copper wire
d)
Steel nail, glass plate, copper wire, fingernail
18.
The mineral __________ is used to make glass.
a)
quartz
b)
diamond
c)
corundum
d)
galena
19.
The mineral __________ is used in pencils.
a)
graphite
b)
lead
c)
galena
d)
gold
20.

The mineral _________ is used to make your food tasty (salt)!

a)

halite

b)

galena

c)

feldspar

d)

gypsum

21.
The metal lead is found in the mineral ___________.
a)
galena
b)
gold
c)
gypsum
d)
feldspar
22.
Another name for rock salt is ___________.
a)
halite
b)
stone salt
c)
pebble salt
d)
corundum
23.
The mineral feldspar has a hardness of ________.
a)
6
b)
11
c)
14
d)
0
24.
Two minerals that have fluorescence are ______ and _______.
a)
calcite and fluorite
b)
fluorite and galena
c)
feldspar and rapsdlef
d)
topaz and corundum
25.
True or False. "Fools gold" or pyrite has a gold streak.
a)
True 
b)
False
26.

____________ is a measure of the ability of a mineral to resist being scratched.

a)

Hardness

b)

Fluorescence

c)

Streak

d)

Cleavage

27.

What two tools are NOT used to test for hardness of a mineral.

a)

Streak plate

b)

Ultraviolet light

c)

Copper wire

d)

Steel nail

e)

Fingernail

28.

What mineral CANNOT scratch any other mineral.

a)

gypsum

b)

galena

c)

diamond

d)

talc

e)

amethyst

29.

If a mineral can scratch a glass plate, then the mineral is said to have a hardness ____________ 6.0 on the Mohs scale.

a)

less than

b)

equal to

c)

greater than

30.

A ________ is a natural, solid substance that has a definite chemical composition and physical structure.

a)

rock

b)

streak

c)

fluorescence

d)

mineral

31.

Check ALL that are used to help identify a mineral.

a)

location

b)

fluorescence

c)

hardness

d)

smell

e)

acid test (reaction to acid)

32.

Check ALL that are used to identify a mineral.

a)

texture

b)

crystal structure

c)

cleavage

d)

density

e)

luster

33.

Check ALL that help to identify a mineral.

a)

magnetic

b)

density

c)

color

d)

sample size

e)

streak

34.

By definition, a mineral has which of the following characteristic(s)

a)

definite chemical composition

b)

solid

c)

naturally occuring (occurs in nature)

d)

specific crystal structure

e)

All the above

35.

A mineral's ______ may be metallic, pearly or glassy.

a)

hardness

b)

color

c)

streak

d)

luster

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