Metals

Question 1

STOCK FORMS
5

Answer 1

1. Sheet
2. Plate (thicker than sheet)
3. Bar
4. Tube (hollow bar)
5. Structural angular (H and L beam)

Question 2

METAL V ORE
Metal - copper
Ore?

Answer 2

Chalcopyrite

Question 3

METAL V ORE
Metal - aluminium
Ore?

Answer 3

Bauxite

Question 4

METAL V ORE
Metal - tin
Ore?

Answer 4

Cassiterite

Question 5

METAL V ORE
Metal - zinc
Ore?

Answer 5

Zinc blende

Question 6

DEFINITIONS
(Ferrous, non-ferrous, alloy)

Answer 6

•Ferrous - contains iron and carbon
•Non-ferrous - does not contain iron
•Alloy - 2+ metals / two+ elements, one is iron

Question 7

ORE FACTS
3

Answer 7

•easy recyclable (low melting point)
•metal extracted through smelting, chemicals and electrical energy

Question 8

Non-ferrous metals list
7

Answer 8

1. Aluminium
2. Copper
3. Zinc
4. Silver
5. Gold
6. Titanium
7. Tin

Question 9

NON - FERROUS
1. Aluminium

Answer 9

Melting temp - 660°

Properties - ductile, malleable, lightweight, electrical / thermal conductor

Uses - coke cans, cooking utensils, baking foil

Question 10

NON - FERROUS
2. Copper

Answer 10

Melting temp - 1080°C

Properties - ductile, malleable, electrical / thermal conductor

Uses - electrical wire, water pipes

Question 11

NON - FERROUS
3. zinc

Answer 11

Melting temp - 420°c

Properties - low melting point, corrosion resistance

Uses - galvanising steel for bucket and fence covers

Question 12

NON - FERROUS
4. Silver

Answer 12

Melting temp - 960

Properties - malleable, ductile

Uses - jewellery, cutlery

Question 13

NON - FERROUS
5. Gold

Answer 13

Melting temp - 1060

Properties -

Uses -