Radioactive Decay of Carbon-14

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
chemistry elements atom atomic isotopes carbon matter electron atomic structure paleoclimatologist Scott Stine radiocarbon dating climate change radioactive half-life carbon dating Atomic Nucleus Spanish video científicos elementos más de una versión isótopos carbono isótopos protones electrones diferencia de neutrones en núcleo carbono 12 carbono 13 carbono 14 Scott Stine Lago mono estudio de sequía de California frecuencia duración antigüedad de los árboles descomposición radioactiva vida media de carbono 14 carbono 14 reloj atómico
Subjects
Science
Grade Levels
Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Radioactive Decay of Carbon-14

In this video excerpt from NOVA: "Hunting the Elements," New York Times technology columnist David Pogue explores how isotopes of carbon can be used to determine the age of once-living matter. Learn how variations in atomic structure form isotopes of an element and how the three natural isotopes of carbon differ from each other. Meet paleoclimatologist Scott Stine, who uses radiocarbon dating to study changes in climate. Find out what it means for an isotope to be radioactive and how the half-life of carbon-14 allows scientists to date organic materials.

This video is available in both English and Spanish audio, along with corresponding closed captions.
Publisher
PBS Learning Media

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