![Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf] Unit Plan](https://content.lessonplanet.com/knovation/original/120529-1fff0a46b8b0ffc6cda465ec2fb4d28e.jpg?1661418872 "Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf] Unit Plan")
PBS
Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf]
Investigate new discussions on the presence of humans in North America, and emulate the work of archeologists in dating artifacts at a dig site. Use clay to model how the radioactive isotope of carbon (C14) is used in dating organic...
Nobel Media AB
The Nobel Prize: The Nobel Prize in Chemistry 1960
At this site read about Willard Frank Libby (1908-1980 CE), the scientist and mathematician who discovered the carbon dating methods used by archaologists and geologists. This website includes the Nobel Prize "Presentation Speech," as...