12 things to know about the Bronze Age

Change happened at different times in different places

People crafted metal tools and weapons

Empires grew in size and power

Bronze Age people wrote using pictures and symbols

Bronze Age societies needed rules and laws

Architecture was art and practicality

The Bronze Age was the beginning of science

Different areas practiced different types of medicine

New religions were created

The wheet hit the scene

Trade began close to home and far away

The Bronze Age collapsed unexpectedly

Timeline of the Bronze Age.