| Term | Definition |
| 30000 BP | The Earth cooled which started an ice age. |
| Ice Age | Glaciers covered Canada and lowered ocean levels. |
| Land Bridge Theory | People came to North America from Asia via a land bridge across the Bering Strait. |
| South Pacific Coast Theory | People traveled to Sorth America by boat with the help of ocean currents. |
| Language Diversity | Linguists find that the longer people live in an area, the more languages there are. |
| Dating Ancient Settlement | Archeologists look at settlements, garbage, and burial sites. |
| 32000 BP | Monte Verde, Chile and Tocado Boqueira de Pedra Furado, Brazil. |
| Myths and Legends | Aboriginal People explain their own origins. |
| Theory | A way of explaining observations. If new evidence is found theories change to adapt. |
| 15000-10000 BP | People traveled across the land bridge. |
| Beringia | Region between Siberia and Alaska that was exposed during the ice age. |
| Human Origins | Science assumes that human beings originated in Africa and the Middle East. |
| Glacier | A massive block of ice created by layers of snow. |
| North Pacific Coast Theory | People traveled from Siberia to Alaska hopping along the Aleutian Islands. |
| Genetic Evidence | Connects Aboriginal people from the Americas to Hawaii and the Philippines. |
| Bering Strait | A shallow body of water between Alaska and Siberia. |
| Rick McNeish | Found corn cobs in New Mexico dating to 36000 BP. |
| Bluefish Caves | Yukon location where a 24000 year-old campsite was found. |
| Adaptation | Changing one's way of life in response to one's environment and circumstances. |