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CHAPTER 9 test science

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

All minerals have crystalline structures.

a)

True

b)

False

2.

Mineralogists usually have to do more than one test on a mineral to determine its identity.

a)

True

b)

False

3.

Proper dominion of minerals involves appreciating and using their beauty as well as their function.

a)

True

b)

False

4.

Which of the following is not a mineral?

a)

Asbestos

b)

Platinum

c)

feldspar

d)

Liquid water

5.

What is a mineral composed of more than one chemical element called or classified as a________ mineral

a)

oxide

b)

compound

c)

silicate

d)

native mineral

6.

Sulfur is to native mineral as quartz is to_______

a)

Compound mineral

b)

Metallic mineral

c)

Synthetic mineral

d)

Mineral mixture

7.

Which of the following tests would provide the best example of a mineral's color?

a)

its streak

b)

its luster

c)

its flame test

d)

its visual appearance

8.

A mineral's crystal classification deals mostly with its

a)

Color

b)

Streak

c)

shape

d)

cleavage

9.

The system used to rate a mineral's hardness is called

a)

Mohs scale

b)

A streak test

c)

A flame test

d)

the Richter scale

10.

Obsidian, a mineral of volcanic origin, breaks in smooth, curved surfaces, showing __________ fracture?

a)

Conchoidal

b)

fibrous

c)

hackly

d)

Uneven

11.

A mineral that is rates as 1 on the hardness scale is

a)

Hard

b)

Rough

c)

Slippery

d)

Soft

12.

A diamond will scratch feldspar and feldspar will scratch calcite. Which of the following gives the only possible hardness values for calicite, feldspar, and diamond in the correct order?

a)

3,6,10

b)

3.,10,6

c)

10,3,6

d)

10,6,3

13.

When you conduct an acid test on a mineral sample, you are watching for

a)

color change

b)

A flame

c)

Gas bubbles

d)

None of these

14.

Which of the following is not a native mineral?

a)

Diamond

b)

Platinum

c)

quartz

15.

The best conductor of electricity (in this group of choices) is………

a)

Diamond

b)

silver

c)

Sulfur

d)

Opal

16.

A carat is a unit of

a)

color

b)

volume

c)

size

d)

Mass

17.

Which of the following methods is the most common for obtaining minerals and ores?

a)

Drilling wells

b)

Evaporation

c)

dredging

d)

Mining

18.

Mining is one way to exercise dominion over God’s creation, but we must be careful to maximize its benefits while minimizing its ________

a)

Profits

b)

Wages

c)

Risks

d)

Size

19.

At one time aluminum was more valuable than gold.

a)

True

b)

False

20.

All minerals are composed of two or more elements.

a)

True

b)

False

21.

Some minerals are too hard to leave a streak on a streak plate.

a)

True

b)

False

22.

Diamond, with a hardness of 10, is twice as hard as apatite, with a hardness of 5

a)

True

b)

False

23.

Determining the density of a mineral sample requires finding its mass and volume.

a)

True

b)

False

24.

A mineral is a good resource only if it is useful

a)

True

b)

False

25.

Diamond is composed of carbon

a)

True

b)

False

26.

Any mineral that contains the element oxygen is an oxide mineral.

a)

True

b)

False

27.

Good and wise dominion produces only beneficial results

a)

True

b)

False

28.

Fool’s gold ( also called pyrite), a mineral of iron and sulfur, is classified as a(n)

a)

Carbonite

b)

Oxide

c)

Silicatae

d)

Suflide

29.

Which of the following is a mixture?

a)

Copper

b)

Diamond

c)

Sand (silicon dioxide)

d)

Seawater

30.

A mineral with only one kind of atom is

a)

Compound

b)

Mixture

c)

Native mineral

31.

Two or more substances physically combined, not chemically bonded

a)

Mixture

b)

Compound

32.

The color of a mineral’s powder

a)

Luster

b)

Streak

c)

Flame test

33.

The amount and quality of the light reflected from a mineral’s surface

a)

Streak

b)

Luster

34.

The ratio of the density of a specimen to the density of water at 4degrees C.

a)

Fracture

b)

Cleavage

c)

Specific gravity

35.

How mica can be broken in to flat sheets

a)

Fracture

b)

Cleavage

36.

A naturally occurring, inorganic, crystalline solid having a definite chemical composition is called a (a)  

37.

The mineral cinnabar, also called mercury sulfide, is an important source, or ore, of mercury

a)

True

b)

False

38.

A mineral composed of more than 1 chemical element would be classified as a(n)_______ mineral

a)

Mixture

b)

Native

c)

Compound

39.

A geologist who studies and identifies mineral samples is called a _________

a)

Mineralogist

b)

Geologist

40.

A more reliable identification property than simply a mineral’s color is its ______

a)

Flame test

b)

Luster

c)

Streak

41.

The process by which a crystal grows is called ________

a)

Accretion

b)

Succretion

42.

A deep vertical shaft of rock produced by volcanic activity in which diamonds are frequently found is called a diamond pipe

a)

True

b)

False

43.

The most abundant family or class of minerall’s in the earth’s crust is the _______

a)

Carbonites

b)

Silicates

c)

Sulfides

d)

Oxides

44.

Oxides are compounds that consist of oxygen and another element, usually a _______

a)

Metal

b)

Nonmetal

45.

Minerals more commonly known as salts, including table salt and road salt, are called ______

a)

Oxides

b)

Sulfides

c)

Halides