how matter started and changed over the years


Stone age

8000 BC

Matter was made up of solid material which could be fashioned into tools

stone age

6000 BC

Chemist investigated the properties of only those materials that were of high value to people an example would be gold

bronze age

4500 BC

The effect of heat on copper, lead to the creation of a strong metal known as bronze which was used as tools

iron age

1200 BC

iron combined with carbon to make steel, for even stronger tools

Iron age

350 BC

Everything was made out of air,water,earth and fire

Modern time


theory of matter was based more on experimentation

Modern time


particles can be compressed

modern time


atom for the naming of chemical was created

Modern time


air is necessary for combustion to occur

Modern time