| Term | Definition |
| prehistory | The time before there was writing. No written history exists before this time |
| Hominid | An early ancestor of humans |
| Ancestor | A relative who lived in the past |
| tool | Any handheld object that has been modified to help a person accomplsh a task |
| Stone Age | A long period of time when the first humans and their ancesors lived |
| Paleolithic Era | The first part of the Stone Age. Also called the Old Stone Age. This era lasted until about 10,000 years ago. During this time people used stone tools |
| society | A group of people who share the same culture |
| Hunter-gatherers | People who hunt animals and gather wild plants, seeds, fruits, and nuts to survive |
| Australopithecus | "Southern Ape" An early hominid who stood upright and walked on two legs. First appeared in Africa |
| Homo Habilis | An early hominid who used early stone tools for chopping and scraping. "Handy man" |
| Homo Erectus | "Upright Man" Learned to control fire and used early stone tools like the hand axe. |
| Homo Sapien | "Wise Man" Same species as modern man. Migrated around the world and could create fire. Used a wide variety of tools |