Across
- 5. _________ is used for tool making
- 7. An object made of crystalline material can be dated using ________________.
- 9. Thermoluminescence is an effective ______ but expensive.
- 12. Obsidian _________ is used to age tools.
- 13. ______________ is a technique that uses each tree ring to find what the life of the tree was like.
- 14. ________ is the perfect application of seriation.
- 16. Stratigraphy uses the law of ____________.
- 19. ________ is the design that changes depending of the pattern of the artifact.
- 20. Usually ________ is found in groundwater.
Down
- 1. dating Another name for Dendrochronology is ___________________.
- 2. Another word for pollen dating is ____________.
- 3. Potassium argon dating is the only __________ for dating old archeological materials.
- 4. ___________ is the scientific method of dating based the study of tree ring.
- 6. Ground water releases ________ remains where fluorine is stored.
- 8. All living things absorb _________.
- 10. When two _____ are similar ages.
- 11. _________ is the study of layers.
- 15. argon dating _______________ is the method used to measure how much argon there is in a mineral.
- 17. When people ___ the carbon 14 starts decaying.
- 18. __________ can be preserved or fossilized