Across
- 2. Looks to see if the document contradicts other known historical facts
- 7. When artifacts are found in rock or earth that is layered, the deeper layers hold the older artifacts
- 9. A term the encompasses all scientific pursuits related to living organisms
- 12. A type of radiometric dating used to determine an artifacts age
- 13. Looks to see if there are any direct eyewitness accounts or a secondhand report based on those eyewitness accounts
- 15. Using a radioactive process to determine the age of an item
- 17. The study of Earth's history as revealed in the rocks that make up the Earth
- 19. An unknown age
- 22. Looks at whether the document agrees with itself
- 23. The study of life's history as revealed in the preserved remains of once-living organisms
- 24. A new process or machine that makes life better or makes a job easier.
Down
- 1. A Catalog that tells the average growth ring pattern for different regions of the world
- 3. When a critic looks at the base text and looks for corrections that may have been made to it in future copies
- 4. Science motivated by curiosity to understand
- 5. The systematic study of the natural world through observation and experimentation in order to formulate general laws
- 6. Restoring texts as nearly as possible to their original form
- 8. An official document that explains historical events
- 10. The study of past human life as revealed by preserved relics
- 11. Science motivated to use science to make something better
- 14. Objects made by people, such as tools, weapons, containers, etc.
- 16. The age of an artifact as determined by a date printed on it or a reference to the artifact in a work of history
- 18. process of determining if an object is older or younger than another object without knowing their specific ages
- 20. The process of counting tree rings to determine the age of a tree
- 21. Annual rings that appear inside the trunks of trees