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Materials Science

Total questions: 100

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

Which material would you choose to make an absorbent towel?

a)

paper

b)

vinyk

c)

metal

d)

glass

2.

Which material would you choose to make a tool that has to be strong and withstand very high temperatures?

a)

rubber

b)

wood

c)

metal

d)

plastic

3.

The mass of a sample of a material divided by its volume gives the (a)   of the material.

4.

A natural material is a kind of technology.

a)

True

b)

False

5.

Any physical matter that is obtained or made from plants, animals, or the ground is a natural material.

a)

True

b)

False

6.

Which of the following is a natural material?

a)

Cement

b)

cotton

c)

polyster

d)

nylon

7.

Which of the following is a synthetic material?

a)

silk

b)

wool

c)

rubber

d)

steel

8.

Which is a property of a ceramic

a)

flexible

b)

insulating

c)

reflective

d)

soft

9.

Polyester, nylon, acrylic, and acetate are all examples of ____________.

a)

polymers

b)

composites

c)

rayons

d)

natural materials

10.

The practical use of scientific knowledge, as in the development of new synthetic materials, is an example of (a)   in action.

11.

In the formation of synthetic materials, natural materials undergo chemical reactions wherein their (a)   rearrange and form new molecules.

12.

What is a synthetic material?

a)

Any material that is man made

b)

Any material that is only made from natural resources

c)

Any material that is made of recycled materials

d)

Any material that is found in nature.

13.

What does it mean for an object to be malleable?

a)

Able to stretched without losing toughness

b)

Hard and breaks easily

c)

Able to be hammered out of shape without breaking

d)

The compactness of a material

14.

What does it mean for an object to be ductile?

a)

Able to stretched without losing toughness

b)

Hard and breaks easily

c)

Able to be hammered out of shape without breaking

d)

The compactness of a material

15.

What does it mean for an object to be brittle?

a)

Able to stretched without losing toughness

b)

Hard and breaks easily

c)

Able to be hammered out of shape without breaking

d)

The compactness of a material

16.

Which material is the most brittle?

a)

Aluminum

b)

Steel

c)

Copper

d)

Glass

17.

Glue is what type of material?

a)

Metal

b)

Ceramic

c)

Polymer

d)

Composite

18.

Titanium is what type of material?

a)

Metal

b)

Ceramic

c)

Polymer

d)

Composite

19.

You need to build a prototype of a design and need to choose a material that is easy to machine. Which type of material should you choose?

a)

Plastic

b)

Wood

c)

Metal

20.

Which type of material allows you to create unique 3D shapes?

a)

Plastic

b)

Wood

c)

Metal

21.

A chain of repeating units (called monomers)

a)

monomer

b)

dimer

c)

replicate

d)

polymer

22.

Once formed, it can be heated and reformed over and over again

a)

thermoset

b)

thermoplastic

c)

elastomer

d)

kevlar

23.

Which of the following is a type of natural polymer?

a)

Latex

b)

poly vinyl acetate

c)

polystyrene

d)

polytetrafluoroethylene

24.
Because of their strong bonds, ceramics are...
a)
Electrically resistant
b)
Elastic
c)
Heat resistant
d)
Magnetic
25.

____ deformation occurs when the stress applied to a force is released and the material returns to its orginal shape.

a)

plastic

b)

elastic

c)

permanent

d)

catastrophic

26.

These types of products will break down into carbon dioxide, water, and biomass...

a)

recyclable

b)

compostable

c)

biodegradeable

d)

oxy-compostable

27.

Observe the picture, is the substance crystalline or amorphous?

a)

crystalline

b)

amorphous

28.
What are some advantages of synthetic materials?
a)
Cheaper to manufacture 
b)
Stronger than similar products made from natural material
c)
Often better quality 
d)
All of the above
29.

Formed by joining together lots of small molecules

(a)  

30.

Polymers are made up of

a)

onemers

b)

monomers

c)

polymer

d)

molecules

31.

What type of material is rubber?

a)

Metal

b)

Ceramic

c)

Polymer

d)

Composite

32.

What are the main properties of ferrous metals?

a)

Composed of steel, non-magnetic, low strength, easily corroded

b)

Composed of iron, magnetic properties, strength, durability

c)

Composed of aluminum, non-magnetic, weak, not durable

d)

Composed of copper, non-magnetic, flexibility, low melting point

33.

What are the common examples of ferrous metals?

a)

Aluminum

b)

Steel, Carbon Steel, Alloy Steel, Cast Iron

c)

Copper

d)

Brass

34.

What are the common examples of non-ferrous metals?

a)

Iron, nickel, cobalt

b)

Cast Iron

c)

Steel

d)

Aluminum, copper, lead, zinc, brass

35.

Which metal is commonly used in the manufacture of drinks cans?

a)

Aluminium

b)

Copper

c)

Brass

d)

Mild Steel

e)

Stainless Steel

36.

Which metal is commonly used in the manufacture of car brake disks?

a)

Cast Iron

b)

Copper

c)

Brass

d)

Mild Steel

e)

Stainless Steel

37.

Which metal is commonly used in the manufacture of kitchen sinks?

a)

Aluminium

b)

Copper

c)

Brass

d)

Mild Steel

e)

Stainless Steel

38.

Which metal is commonly used in the manufacture of electrical wire?

a)

Aluminium

b)

Copper

c)

Brass

d)

Mild Steel

e)

Stainless Steel

39.
Which element when alloyed with copper will make the alloy Brass?
a)
Zinc
b)
Aluminium
c)
Carbon
d)
Manganese
e)
Chromium
40.

What charge do electrons have?

a)

+1

b)

0

c)

-1

41.

How many valence electrons in this diagram:

a)

1

b)

3

c)

5

d)

7

42.

Neutrons are:

a)

Positive

b)

Neutral

c)

Negative

43.

Protons are:

a)

Positive

b)

Neutral

c)

Negative

44.

Which particle is outside the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

45.

What particles are in the nucleus?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

46.

What particles are atoms made of? (Check ALL that apply:)

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

47.

An area around an the center of the atom where electrons are located

a)

is deep space.

b)

is a quark.

c)

is a nucleus.

d)

is an electron cloud.

48.

The center of an atom is 

a)

a neutron.

b)

a nucleus.

c)

a quark.

d)

a bohr.

49.

All matter is made of what?

a)

energy

b)

atoms

c)

electrons

50.

An atom with atomic number 6 would have how many protons?

a)

6

b)

12

c)

3

51.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
52.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
53.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
54.

Modern non-stick cookware and the flat end of an electric iron has a coating of a polymer. Identify the name of the polymer.

a)

PVC

b)

Rayon

c)

Teflon

d)

Polyester

55.

Choose the correct option:

a)

Glass isn't transparent and rigid.

b)

Glass is bendy and soft.

c)

Paper is transparent.

d)

Glass is transparent and rigid.

56.

The hardest substance available on earth is ?

a)

Gold

b)

Iron

c)

Diamond

d)

Platinum

57.

Look at the picture and choose the correct word.

What are they?

a)

metals

b)

equipment

c)

a sieve

d)

a magnet

58.

A mixture of beads was placed in a container, as show below. The beads are of various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads -

a)

are less dense than water

b)

are solids

c)

have the same mass

d)

are attracted to a magnet

59.

What do metals conduct well?

a)

acid

b)

electricity

c)

circulation

d)

music

60.

Some metals can look shiny when you

a)

polish them.

b)

melt them.

c)

scratch them.

d)

bury them.

61.

All metal elements melt at the same boiling point.

a)

True

b)

False

62.

Which of the following conductors are used because they are readily available so they are cheap to use?

a)

gold

b)

silver

c)

platinum

d)

aluminum

63.

Malleable is when a metal

a)

hammered out of shape without breaking.

b)

can be drawn out into strands of wire.

64.

Metal is ductile when it

a)

can be rolled or pounded into flat sheets.

b)

can be easily stretch.

65.

What type of a change is corrosion?

a)

physical

b)

uniform

c)

pitting

d)

stress cracking

66.

What can alloying two or more metals together do?

a)

Make the metal softer or harder.

b)

Nothing.

c)

Make the metal edible as a food source.

d)

Create the energy Mana.

67.

Bronze is made by adding copper with what other metal?

a)

Tin

b)

Zinc

c)

Lead

d)

Cobalt

68.

The most widespread metal on earth is...

a)

Steel

b)

Gold

c)

Aluminum

d)

Copper

69.

A zinc powder is sprayed onto steel parts. This process helps protects against corrosion.

a)

Anodizing

b)

Galvanizing

c)

Electroplating

d)

Cathode

70.

All Ferrous metals contain

a)

Iron

b)

Aluminum

c)

Nickel

d)

Cobalt

71.

Melting and mixing zinc with copper will give you ?

a)

Bronze

b)

Copper Oxide

c)

Brass

d)

Zinc oxide

72.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)

Ferrous

b)
Nonmetal
c)
Metalloid
d)
Pretty
73.

Bronze is an alloy of copper and _____.

a)

Steel

b)

Iron

c)

Tin

d)

Carbon

74.

Which of these metals would rust easily?

a)

Cast Iron

b)

Non metal

c)

Zinc

d)

Copper

75.

Chemical reaction to the oxygen in the air

a)

Oxidation

b)

Trees

c)

Bronze

d)

Blue

76.

Steel is a ferrous metal composed of which two elements?

a)

Iron

b)

Hydrogen

c)

Zinc

d)

Carbon

77.

What is added to iron in stainless steel to prevent corrosion?

a)

Chromium

b)

Zinc

c)

Aluminium

d)

Copper

78.

Which metal is heavier?

a)

Steel

b)

Aluminium

79.

Where are non-metals located on the periodic table?

a)

Right side of periodic table

b)

Left side of periodic table

c)

zig-zag line of periodic table

d)

none of the above

80.

Where are metals located on the periodic table?

a)

Right side of periodic table

b)

Left side of periodic table

c)

zig-zag line of periodic table

d)

none of the above

81.

Steel is made up of...

a)

iron and carbon

b)

copper and iron

c)

tin and carbon

d)

aluminium and nickel

82.

Aluminium ore

a)

Bauxite

b)

Boxer

c)

Frenchie

d)

Car Suspensions

83.

Coin metals are normally made of this alloy

a)

pewter

b)

duralumin

c)

cupro-nickel

d)

brass

84.

Steel can become stainless when alloyed with _____.

a)

chromium and nickel

b)

copper and zinc

c)

tin and lead

d)

iron aand carbon

85.

Ferrous metal alloy that does not rust

a)

Stainless Steel

b)

Iron

c)

Chemical Reaction

d)

Precious Metal

86.

A permanent way to join metals or plastics

a)

Word Bond

b)

Welding

c)

Drill Hole

d)

Aluminium Ore

87.

Used for car brake drum

a)

Cast Iron

b)

Wrought Iron

c)

Silver

d)

Copper

88.

Tin food cans are lined with this to stop contamination

a)

BPA

b)

PLA

c)

SCC

d)

Copper Liner

89.

True or False. Objects can have more than one property.

a)

False

b)

True

90.

Can plastic melt?

a)

Yes

b)

No

91.

Most plastic objects are made by using a...

a)

knife.

b)

hammer.

c)

mold.

92.

Bronze is made by adding copper with what other metal?

a)

Tin

b)

Zinc

c)

Lead

d)

Cobalt

93.

The most widespread metal on earth is...

a)

Steel

b)

Iron

c)

Aluminum

d)

Copper

94.

All Ferrous metals contain

a)

Iron

b)

Aluminum

c)

Nickel

d)

Cobalt

95.

Melting and mixing zinc with copper will give you ?

a)

Bronze

b)

Copper Oxide

c)

Brass

d)

Zinc oxide

96.

This metal can be harmful to human health if ingested or after long term exposure

a)

Steel

b)

Cobalt

c)

Nickel

d)

Lead

97.

What is the sea of electrons model related to?

a)

Covalent bonding

b)

Hydrogen bonding

c)

Ionic bonding

d)

Metallic bonding

98.

What is an alloy?

a)

A compound with only one type of metal

b)

Composed of two or more elements, at least one of which is a metal

c)

A mixture of non-metallic elements

d)

A pure metal

99.

The ability of a material to deform, usually by stretching along its length. This property allows us to make wires.

a)

malleable

b)

ductile

c)

conductive

d)

crystal lattice structure

100.

Alloys are created to improve the working properties and appearance of metals, they are made by combining two or more elements.

a)

True

b)

False

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