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Minerals 8th grade

Total questions: 38

Worksheet time: 28mins

Name
Class
Date
1.

Ore minerals can form in all of the following places EXCEPT

a)

at the surface of an area that was once covered by water

b)

at the bottom of a water body

c)

in fractures within rocks

d)

in a bed of hot, flowing lava

2.

Which of the following statements about minerals is FALSE?

a)

Minerals have a crystalline structure.

b)

Humans can create minerals to suit specific needs.

c)

Minerals are inorganic materials.

d)

Minerals cannot be liquids or gases.

3.

Open pits called _______ are used to mine stone and gravel.

a)

veins

b)

geodes

c)

deep mining

d)

quarries

4.

a naturally occurring, non-living solid that has a specific chemical make-up and a crystal structure

a)

rock

b)

mineral

c)

stone

d)

mountain

5.

Scientists use mineral ________________ to identify and classify minerals.

a)

pieces

b)

names

c)

properties

d)

structures

6.

Which one is not a property used to identify minerals?

a)

streak

b)

luster

c)

hardness

d)

size

7.

-The color of the powder left behind when you rub the mineral against a tile.

a)

streak

b)

color

c)

harness

d)

luster

8.
  • the way a mineral's surface reflects light.
a)

streak

b)

luster

c)

color

d)

hardness

9.
  • a mineral's ability to resist being scratched
a)

streak

b)

luster

c)

color

d)

hardness

10.

-the name of the scale used to determine a mineral's hardness

a)

Miller's Hardness Scale

b)

The Scale of Hardness

c)

Mohs Hardness Scale

d)

Mineral Hardness Scale

11.

Which of the following minerals is one of the hardest minerals?

a)

pearl

b)

diamond

c)

talc

d)

quartz

12.

Which of the following is NOT a property of any kind of mineral?

a)

refraction

b)

is magnetic

c)

is fluorescent

d)

can disappear

13.
Why is coal not a mineral?
a)
It's not a solid
b)
It is man-made
c)
It is not inorganic
d)
It is made of carbon
14.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
15.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
16.
How do you test the hardness of a mineral? 
a)
Throw it against a wall
b)
Step on it
c)
Scratch Test
d)
Kick it until it breaks
17.
What mineral is salt?
a)
quartz
b)
sulfur
c)
halite
d)
calcite
18.

A rock which contains a useful mineral is called a/an

a)
gem
b)
quarry
c)
ore
d)
alloy
19.
The mineral halite is formed by 
a)
hot water solutions
b)
cooling of magma
c)
cooling of lava
d)
evaporation
20.
The mineral in the picture has a ____________ luster.
a)
Nonmetallic
b)
Metallic
c)
Pearly
d)
Earthy
21.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
22.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
23.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
24.
The mineral iron is primarily used to make
a)
jewelry
b)
tools
c)
cement
d)
glass
25.

Which mineral could Fluorite scratch?

a)

Diamond

b)

Calcite

c)

Quartz

d)

Apatite

26.

In the gold rush of 1849, prospectors found a yellow mineral that appeared to be gold, but was harder and more brittle than gold. What is this mineral that came to be called "fool's gold"?

a)

Calcite

b)

Copper

c)

Sulfur

d)

Pyrite

27.

Which mineral is commonly used as table salt?

a)

Hematite

b)

Calcite

c)

Apatite

d)

Halite

28.

What mineral is used in electrical wires?

a)

fluorite

b)

gold

c)

copper

d)

gypsum

29.

How can miners be responsible?

a)

Leave open-pit mines alone when they're finished taking all the minerals.

b)

Reclaim, or clean up the land when they're finished taking all the minerals.

c)

Only mine the valuable minerals.

d)

Only dig surface mines.

30.
Which of the following is NOT a characteristic of a mineral?
a)
naturally occurring
b)
inorganic
c)
liquid
d)
crystal structure
31.

Whether or not something is mined is determined by its monetary value.

a)

True

b)

False

32.
Which type of mining occurs when gold is panned from a stream?
a)
open pit
b)
placer
c)
strip
d)
solution
33.
Reclamation is.....
a)
not required in the US.
b)
a process that causes significant environmental damage.
c)
returning the land back to its original condition after mining
d)
required for every country and every type of mine in the world.
34.

Why is an apple not a mineral?

a)

It's not solid.

b)

It doesn't occur in nature.

c)

It has a variety of colors.

d)

It's not inorganic....it's alive.

35.
Deep deposits of minerals being removed from underground though tunnels and shafts is the definition of: 
a)
Strip Mining 
b)

Placer Mining 

c)

Deep Mining 

d)
Surface Mining 
36.

How were these piles of minerals formed?

a)

groundwater

b)

evaporation of salt water

c)

minerals dissolved in hot water

d)

magma and lava

37.

How were the mineral deposits in this picture formed?

a)

magma and lava

b)

evaporating saltwater

c)

ground water

d)

minerals dissolved in hot water

38.

The molten rock in this picture would be called ____.

a)

magma

b)

lava

c)

ore

d)

geode

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