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Metals

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Which is a property of metals?

a)

They are good acoustic insolators

b)

Most of them rust

c)

All of them are edible

d)

They are weak

e)

They melt at low temperatures

2.
Which finishing technique is used to avoid the rust of metals?
a)
Coating
b)
Drilling
c)
Sanding
d)
Grinding
3.
How is called the group of industries involved in collecting and transforming metallic minerals?
a)
Mining
b)
Logging
c)
Metallurgy
d)
Thaumaturgy
e)
Synergy
4.
How do we call the useful minerals extracted through mining?
a)
Gangue
b)
Scrap
c)
Bark
d)
Planks
e)
Ore
5.
Which is a good use of the porperty of expanding and contracting of metals?
a)
Thermomether
b)
Wires
c)
Electricity Towers
d)
Cutterly
e)
Lightbulb
6.
Which is a good use of the porperty of bearing high temperatures of metals?
a)
Thermomether
b)
Wires
c)
Building's rafters
d)
Cutterly
e)
Lightbulb
7.
The main component of ferrous metals is…
a)
Steel
b)
Tin
c)
Iron
d)
Aluminium
e)
Copper
8.

How is called the property of atracting and repelling other metals through an electric charge?

(a)  

9.
Which of these are Ferrous Metals? (Multiple answer)
a)
Pure Iron
b)
Iron Maiden
c)
Steel
d)
Pig Iron
e)
Cast Iron
10.
What is tempering?
a)
Cooling the metal very quickly when it is red hot
b)
Increasing the metal temperature very quickly
c)
When the hot metal is cooled very slowly
d)
Eliminating impurities
e)
Heating the metal very slow
11.

Name one example of heavy metals

(a)  

12.

Name one example of ultralight metals

(a)  

13.

Which metal is used on pyrotechnics

a)

Tin

b)

Lead

c)

Magnesium

d)

Aluminium

14.

Lead's main use is…

a)

Plumbing

b)

Cutterly

c)

Aerospace and car industries

d)

Batteries

15.
Silvery white; highly resistant to corrosion; very soft; low density; high malleability and ductility; good at conducting electricity and heat…
a)
Titanium
b)
Magnesium
c)
Mercury
d)
Aluminium
e)
Copper
16.

Brass is an alloy of… (Multiple answer)

a)

Copper

b)

Zinc

c)

Tin

d)

Aluminium

e)

Lead

17.

Bronze is an alloy of… (Multiple answer)

a)

Copper

b)

Zinc

c)

Tin

d)

Aluminium

e)

Lead

18.

Which metal is used on medical prostheses

a)

Titanium

b)

Magnesium

c)

Mercury

d)

Aluminium

e)

Copper

19.

Which metal is reddish?

a)

Titanium

b)

Magnesium

c)

Mercury

d)

Aluminium

e)

Copper

20.
Pure iron is rarely used, could you name one of its uses?
a)
Electronics
b)
Jewellery
c)
Aerospace and car industries
d)
Protective measures against nuclear radiation
21.
Which is a cleaning tool?
a)
Chisel
b)
Lathe
c)
Scraper
d)
Screw
22.
Which shaping technique involves hammers, tongs and anvils?
a)
Rolling
b)
Forging
c)
Punching
d)
Casting
23.
Which shaping technique involves pouring liquid metal into a mould?
a)
Rolling
b)
Forging
c)
Punching
d)
Casting
24.

Which shaping techniques are used to make these objects?

a)

Extrusion

b)

Rolling

c)

Wire drawing

d)

Bending

25.

Which shaping techniques are used to make these objects?

a)

Extrusion

b)

Rolling

c)

Wire drawing

d)

Bending

26.

Wich is the first step on the steel-making process

a)

The ore is mixed with coke and limestone, and then put into a blast furnace with temperatures of over 1500°C

b)

Mineral is crushed and sieved to separate the gangue from the ore.

c)

Molten metal is poured into a container with a hollow space inside

d)

Iron mineral is washed to eliminate any impurities

27.

Wich is the second step on the steel-making process

a)

The ore is mixed with coke and limestone, and then put into a blast furnace with temperatures of over 1500°C

b)

Mineral is crushed and sieved to separate the gangue from the ore.

c)

Molten metal is poured into a container with a hollow space inside

d)

Iron mineral is washed to eliminate any impurities

28.

Wich is the third step on the steel-making process

a)

The ore is mixed with coke and limestone, and then put into a blast furnace with temperatures of over 1500°C

b)

Mineral is crushed and sieved to separate the gangue from the ore.

c)

Molten metal is poured into a container with a hollow space inside

d)

Iron mineral is washed to eliminate any impurities

29.
Name a permanent joint technique
4 lines
30.
Name a non permanent joint technique
4 lines
31.
Which joining technique takes advantage of the expanding and contracting property of metals?
a)
Rivets
b)
Press fit joint
c)
Nuts and bolts
d)
Keyed Joint
e)
Splined Shafts
32.

Grinder can be used for… (Multiple answer)

a)

Cutting

b)

Marking

c)

Cleaning

d)

Finishing

e)

Drilling

33.

Soft soldering... (Multiple answer)

a)

Uses brass or copper

b)

Uses a tin-lead alloy

c)

Is a permanent joint technique

d)

Is a temporary joint technique

e)

Uses an oxyacetylene blowtorch

34.

Which finishing techniques produce shine on metals? (Multiple answer)

a)

Grinding

b)

Lapping

c)

Polishing

d)

Buffing

e)

Rivetting

35.
Which of these tools can be used for cutting?
a)
Cutter
b)
Guillotine
c)
Punch press and die
d)
Hacksaw
e)
Grinder
36.
Which shaping tool should we better use to shape cylindrical objects
a)
Drill
b)
Chisel
c)
Punch press and die
d)
Scraper
e)
Lathe
37.

What's the name of the tool in the picture?

a)

Sander

b)

Hacksaw

c)

Scriber

d)

Drill

e)

Lathe

38.

What's the name of the tool in the picture?

a)

Sander

b)

Hacksaw

c)

Scriber

d)

Drill

e)

Lathe

39.

What metal would you use for the object on the picture?

a)

Copper

b)

Zinc

c)

Tin

d)

Aluminium

e)

Bronze

40.

What metal is used in the object on the picture?

a)

Copper

b)

Zinc

c)

Tin

d)

Aluminium

e)

Bronze

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