1
Q
What are the 2 types of wood?
A
1-Hardwood
2-Softwood
2
Q
What’s modified wood?
A
Treated wood.
3
Q
Where can metals be found?
A
In the Earth’s crust.
4
Q
Metals are good conductors of what? Name 2 things.
A
1-Electricity
2-Heat
5
Q
What’s the most common metal?
A
Iron.
6
Q
What’s alloy?
A
A mixture of two or more metals.
7
Q
What’s a ferrous alloy?
A
A mixture of mostly iron and other metals.
8
Q
What’s a non ferrous alloy?
A
An alloy that doesn’t contain iron.
GR9The Technological World
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