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  The Paleolithic age was when everything was made out of stone, wood or bone
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  The Mesolithic age was when tools were still made of stone but farming was prominent. Pottery and baskets were beginning to be created.
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  The Neolithic age was when people started making houses and more food than they could use. People became potters or warriors.
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  The Chalcolithic age was when metal was first used for tools. Copper was used mostly for jewelry and weapons.
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  The Bronze Age was when people used copper and tin together to create bronze. Kingdoms and empires were formed.
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  The Iron Age was when iron was created. Military empires were built. This was a time of social and cultural changes.
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  The Middle Ages were defined by kingdoms and technological advances Cannons, horseshoes and clocks were created.