1. The Stone Age
Before metals were discovered
Tools made out of stone
5000-4000 BCE
Copper ores mined
3500-3000 BCE
The Bronze Age
(bronze is an alloy of copper and tin)
Tools and weapons made from bronze
1000BCE
Iron Age
People use iron to make tools as it is harder than bronze
1400CE
People can now produce temperatures high enough to melt iron.
They can cast the melted iron into more complicated shapes
1825CE
Pure aluminium and titanium are produced for the first time.

2. 1400CE
People can now produce temperatures high enough to melt iron.
They can cast the melted iron into more complicated shapes
5000-4000 BCE
Copper ores mined
The Stone Age
Before metals were discovered
1825CE
3500-3000 BCE
The Bronze Age
People use iron to make tools as it is harder than bronze
Pure aluminium and titanium are produced for the first time.
Tools made out of stone

3. Tools and weapons made from bronze
(bronze is an alloy of copper and tin)
1000BCE