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Worksheets8.1 Metal - Origins
Total questions: 32
Worksheet time: 17mins
Name
Class
Date
1.
Which of these is not a risk associated with a mining site?
a)
Deforestation
b)
loss of habitats
c)
disruption of local communities
d)
increase in flora and fauna,
2.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
3.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
4.
Thermal conductivity is the ability of an element to transfer _______
a)
Heat
b)
Electricity
c)
Power
d)
Force
5.
The deterioration of a metal due to a chemical reaction in the environment is called this
a)
Reactivity
b)
Corrosion
c)
Luster
d)
Malleable
6.
In the blast furnace, limestone is added to...
a)
Create more heat
b)
Turn iron oxide into pure iron
c)
Remove acidic impurities
7.
In the blast furnace, Hot air is added to the...
a)
Top of the furnace
b)
Middle of the furnace
c)
Bottom of the furnace
8.
What method of extraction would be used to extract iron from iron ore?
a)
Electrolysis
b)
Heating with Charcoal
c)
Iron is a native metal
9.
A form of steel containing chromium, resistant to tarnishing and rust.
a)
Stainless steel
b)
Abrasion resistant steel
c)
Carbon steel
d)
Metal
10.
Stainless steel is magnetic.
a)
True
b)
False
11.
What is this object made of?
a)
Plate
b)
Silver
c)
Steel
d)
Iron
12.
What is this object made of?
a)
Silver
b)
Steel
c)
Iron
d)
Wire
13.
Ferrous metals are metals that contain________?
a)
Iron
b)
Copper
c)
Aluminum
d)
Gold
14.
Non ferrous metals are metals that contain________?
a)
Iron
b)
Copper
c)
Steel
d)
No Iron
15.
Select the best answer for Ferrous metals
a)
Steel, Silver, Aluminum
b)
Copper, Gold, and Aluminum
c)
Steel, Copper, and Aluminum
d)
Steel , Cast Iron, and Stainless Steel
16.
An alloy can best be described as __________?
a)
Mixture of two or more metals and or elements
b)
Mixture of two or more metals with no elements
c)
Mixture of elements only
d)
Mixture of Iron and carbon only
17.
Mild steel is made from Iron and 0.05 - 0.35% _________
a)
Silicon
b)
Carbon
c)
Tin
d)
Mild cheese
18.
Non Ferrous metals dont contain Iron so they
a)
Are cheap
b)
Don't rust
c)
Are light
d)
Can be worked easily
19.
A common name for metal supplied as an L shape
a)
Bar
b)
2 section
c)
L Cut
d)
Angle
20.
Cold Rolled Steel is _________ round
a)
Perfectly
b)
Not
c)
Case hardened
d)
All of the above
21.
_________ is a diamond pattern placed on the surface of metal in order for a better grip
a)
Peck Drilling
b)
Knurling
c)
Grinding
d)
Thread Cutting
22.
When drilling a hole in an out in small increments in order to clear out chips is called
a)
Backlash
b)
Knurling
c)
Tapping
d)
Peck Drilling
23.
What is the name of the rough metal caused by cutting or drilling
a)
Bur
b)
Blow out
c)
Furl
d)
Punch out
24.
Which one of these is not used to mark out metal?
a)
Odd leg caliper
b)
Scriber
c)
Set Square
d)
Engineers Blue
25.
Which is not a techniques for finishing metal?
a)
Wet and dry
b)
smoothing plane
c)
Second cut file
d)
linisher
26.
Screws and bolts are known as temporary fixings...
a)
True
b)
False
27.
Which of these methods is done at the lowest temperature?
a)
Welding
b)
Brazing
c)
Soldering
d)
Spot welding
28.
Which of these methods is done at the Highest temperature?
a)
Welding
b)
Brazing
c)
Soldering
d)
Spot welding
29.
When soldering you use solder to join metal together, what is it mainly made from?
a)
Copper
b)
Iron
c)
Tin
d)
Zinc
30.
Heat treating metals changes their properties, Annealing makes metal more...
a)
Brittle
b)
Strong
c)
Durable
d)
Malleable
31.
"Pop" or "Blind" are used to join sheet metal...what are they?
a)
Bolts
b)
Screws
c)
Rivets
d)
Welds
32.
Press forming metal uses two molds, what are these called?
a)
Punch and die
b)
Press and Stock
c)
Push and Fall
d)
Step and Jig
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