Prehistoric men were hunters and __________. Living on the land: gathers. Because prehistoric men wandered or moved from place to place following herds and living off the land they were called ______________: nomads or nomadic. In the Stone Age these materials were used to make tools and weapons, flint, bone, and __________: wood. The Bronze Age lasted from 3000 BC to _________ BC: 1200. Bronze Age replaced the _________ Age: Stone. Copper is a type of _________ that is melted: ore or rock. When copper ore is melted to high temperatures a liquid is created this is called __________: Smelting. When two or more metals are mixed it becomes an _______: alloy. Copper was a huge improvement offer stone to make tools and weapons but this age produced a stronger metal, _____________: Iron. This type of stone was used in the Stone Age because it could easily be made into tools and weapons: Flint. This resource is used today mostly to cook out but because it can create high temperatures the Bronze age used it for fuel to melt copper: Charcoal. During this age machines replace cottage industries like spinning cotton: Industrial. This early invention was used water to create power in factories and mills: Water Wheel. This invention enabled societies to share information and it increased literacy because more people had access to books: Printing Press