Across
- 4. / it tells you how old something is.
- 6. / it's were you find something.
- 7. / the name of the art of making timeline.
- 8. / it's very blue.
- 10. / when to people love each other and go for tea together.
- 12. / an object made by a human being.
Down
- 1. / the subject we are studying.
- 2. / the time before the writing was invented.
- 3. / they let us breathe.
- 5. / dig things up.
- 9. / the layers of earth.
- 11. / it's under our feet.