1
Q
What is the blast furnace?
A
It is used obtain iron from iron ore.
2
Q
What is oxidation?
A
When a substance gains energy.
3
Q
What is reduction?
A
When a substance loses oxygen.
4
Q
What is a composite material?
A
A material that is made of two or more constituent materials.
5
Q
What is a ceramic?
A
It is a clay that is heated, glazed and then painted.
6
Q
How is coloured class made?
A
Sand is heated then colour die is added to the sand before it is fully solidified.
