Across
- 2. a large division of time
- 6. source a document or written work created after an event (biography, encyclopedia, history book, textbooks)
- 7. a class of individuals with similar physical characteristics
- 9. source firsthand evidence of an event in history (letters, diaries, government records, newspaper, autobiographies)
- 10. the study of fossils
Down
- 1. a group of 10 years
- 3. plant or animal remains that have been preserved from an earlier time
- 4. the study of objects to learn about the past human life
- 5. the study of human culture and how it develops over time
- 8. an object made by people