Across
- 2. the study of ancient people and the remains of the past
- 4. a script written in form of pictures
- 7. the story of people in the past
- 8. when humans began to use metals
- 11. parts of plants or animals preserved in rock
- 12. to uncover something by digging
- 13. the time before people could write
Down
- 1. the science which deals with heavenly bodies
- 3. a hard stone used to make tools
- 5. an object made by humans
- 6. the people who came before us
- 9. people who travel from place to place
- 10. to convert code to plain text
