prehistory
the period of time before writing was invented
historian
a person who studies how people lived in the past
artifact
an object made by human beings
anthropology
the study of the origin and development of people and their societies
culture
the way of life of a society, which is handed down from one
generation to the next by learning and experience
archaeology
the study of people and cultures through their material remains
Olduvai Gorge
a gorge in Tanzania in which many hominid remains have been found
technology
the skills and tools people use to meet their basic needs