Metals

Question 1

Qualities of iron

Answer 1

Low cost
malleable
ductile
strong
conductor of electricity and heat

Question 2

Qualities of cast iron

Answer 2

Tough
brittle dark grey
low cost
shows imperfections in surface quality

Question 3

Qualities of mild steel

Answer 3

durable
corrosion-resistant if coated
widely available
ease of cleaning
good strength, able to hold the weight of the user
strength to weight ratio

Question 4

Qualities of high-speed steel

Answer 4

Strong
hard
stiff
brittle
malleable
bright grey/silver colour
keeps sharp edge at high temperatures

Question 5

Qualities of stainless steel

Answer 5

corrosion-resistant
durable
tough
ease of cleaning
lightweight

Question 6

Qualities of aluminium

Answer 6

Strong
lightweight
corrosion-resistant
good conductor of heat
malleable
ductile
grey shiny colour

Question 7

Qualities of brass

Answer 7

strength
ductility
hardness
aesthetically pleasing colour
electrical and thermal conductivity
corrosion resistance

Question 8

Qualities of copper

Answer 8

Tough
soft
extremely malleable
ductile
very good electrical and heat conductor
light reddish brown

Question 9

Qualities of tin

Answer 9

Soft
malleable
flexible
corrosion-resistant
white/silver

Question 10

Qualities of zinc

Answer 10

Hard
brittle
malleable
corrosion-resistant
bluish-white