Across
- 5. To put through a strainer to separate or break up lumps; to sort through or examine
- 10. A long journey by a group to explore
- 11. A person who studies the earth and how the environment affects humans
- 12. A method for determining age by comparing the amount of carbon-14 to the amount of carbon-12 in a sample
- 13. A person who studies mankind and the groups of people around the world
Down
- 1. To dig out of the ground and remove
- 2. To interpret or read something confusing or hard to make out
- 3. A person who makes maps
- 4. A person who studies and writes about history
- 6. A set of ideas that should help to explain something
- 7. A person who studies the past by looking at artifacts that older generations have left behind
- 8. A book of maps
- 9. An object made or used by a human being