Khan Academy
Carbon 14 Dating 1, Life on Earth and in the Universe, Cosmology and Astronomy
Sal introduces Carbon 14 in this chemistry video and explains to students how it is found in all living things. He also explains how carbon-14 is used to date items from the past. He points out that Carbon 14 can only enter a living...
Khan Academy
Khan Academy: Measuring Age on Earth: Carbon 14 Dating 2
Continues a discussion of Carbon 14 dating from a previous video. [4:15]
Khan Academy
Khan Academy: Measuring Age on Earth: Carbon 14 Dating 1
An introduction to Carbon 14, how it comes about, how it spreads throughout the Earth and living things, and its use in estimating when an organism died.