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Grade 7 Unit 1-Minerals

Total questions: 35

Worksheet time: 25mins

Name
Class
Date
1.
How a mineral reflects light from its surface
a)
crystal
b)
luster
c)
streak
d)
refraction
2.
The property of splitting easily along flat surfaces
a)
fracture
b)
hardness
c)
cleavage
d)
streak
3.
How a mineral splits apart when it does not break evenly:
a)
streak
b)
hardness
c)
cleavage
d)
fracture
4.
The color of a minerals powder
a)
luster
b)
streak
c)
hardness
d)
texture
5.
A ranking of a minerals from softest to hardest
a)
streak test
b)
luster test
c)
Mohs hardness scale
d)
fracture
6.
Minerals are the building blocks of _____________.
a)
elements
b)
atoms
c)
fossils
d)
rocks
7.
The hardest mineral on the Mohs Hardness scale
a)
Talc
b)
Obsidian
c)
Diamond
d)
Quartz
8.
The softest mineral on the Mohs Hardness scale
a)
Gypsum
b)
Talc
c)
Diamond
d)
Feldspar
9.
Minerals are inorganic which means that
a)
they were once parts of living things.
b)
renewable
c)
they were never part of anything living.
d)
they are nonrenewable
10.
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
11.
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
12.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
13.

Scientists use mineral ________________ to identify and classify minerals.

a)

pieces

b)

names

c)

properties

d)

structures

14.

Which one is not a property used to identify minerals?

a)

streak

b)

luster

c)

hardness

d)

size

15.

Gold, silver and copper are examples of minerals that have ______________________ luster.

a)

metallic

b)

nonmetallic

16.

A mineral can be scratched by gypsum and quartz.

What is the hardness range?



a)

1-2

b)

2-7

c)

2-10

d)

7-10

17.

A mineral could be scratched by topaz but NOT by fluorite.

What is the hardness range?

a)

1-4

b)

4-8

c)

4-10

d)

8-10

18.

Minerals have a definite chemical composition.

a)

TRUE

b)

FALSE

19.

Rocks are made out of __________________.

a)

particles

b)

minerals

c)

molecules

d)

cells

20.

A mineral's color when it is ground into powder.

a)

Structure

b)

Texture

c)

Luster

d)

Hardness

e)

Streak

21.

How a mineral reflects light.

a)

Structure

b)

Texture

c)

Luster

d)

Hardness

e)

Streak

22.

The size and shape of pieces of materials in a rock.

a)

Structure

b)

Texture

c)

Luster

d)

Hardness

e)

Streak

23.

The way the pieces of materials in a rock fit together.

a)

Structure

b)

Texture

c)

Luster

d)

Hardness

e)

Streak

24.
The following image shows what mineral property?
a)
Hardness
b)
Streak
c)
Cleavage
d)
Density
25.
Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?
a)
luster
b)
color
c)
streak
d)
cleavage
26.
What does Moh's Scale measure? 
a)
Streak 
b)
Cleavage
c)
Luster
d)
Hardness
27.
Why is coal not a mineral? 
a)
It is not a solid 
b)
It is man-made 
c)
it is not inorganic 
d)
It is a mineral 
28.

Which of the following facts about Moh's hardness scale is true?

a)

Talc is a 1 on the scale and Diamond is a 10.

b)

Diamond is a 1 on the scale and Talc is a 10.

c)

Quartz is a 1 on the scale and Gold is a 10.

d)

Talc is a 1 on the scale and Gold is a 10.

29.

Which of the following is true?

a)

Rocks are made of minerals; minerals are made of elements.

b)

Minerals are made of rocks; rocks are made of elements.

c)

Elements are made of minerals; minerals are made of rocks.

d)

Rocks are made of minerals; elements are made of rocks.

30.

The four minerals in this picture all broke into even sheets or flat surfaces. What property do the all share?

a)

Cleavage

b)

Fracture

c)

Hardness

d)

Streak

31.

The four minerals in the picture all broke into irregular pieces with uneven surfaces. What property do they share?

a)

Streak

b)

Cleavage

c)

Fracture

d)

Buoyancy

32.

Coal is a rock that is made up of trees that died millions of years ago. Is coal organic or inorganic?

a)

Organic

b)

Inorganic

33.
The way a surface (of a mineral) reflect light. Either metallic or nonmetallic:
a)
Cleavage
b)
Streak
c)
Luster
d)
Reflection
34.
Which of these minerals is softer than glass?
a)
Topaz 
b)
Corundum 
c)
Calcite 
d)
Orthoclase 
35.

Which term might be used to describe a minerals luster?

a)

Rectangular

b)

Heavy

c)

Glassy

d)

Magnetic

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