| A | B |
| history | the study of the past. |
| culture | the knowledge,beliefs,customs,and values of a group of people. |
| archaeology | the study of the past based on what people left behind. |
| fossil | a part or imprint of something that was once alive. |
| artifact | an object created and used by humans. |
| primary source | an account of an event by someone who took part in or witnessed the event. |
| secondary source | information gathered by someone who did not take part |
| geography | the study of Earth's physical and cultural features. |
| landforms | the natural features of the land's surface. |
| climate | the average weather condition in a certain area over a long period of time. |
| environment | all the living and nonliving things that affect life in an area. |
| region | an area with one or more features that make it different from surrounding areas. |
| resources | the materials found on Earth that people need and value. |