Radioactive dating

by: Tasia, Bailey, Michelle

Radioactive Dating

It is the calculation of a substance's age by measurement of the material that it contains. It is used geology, anthropology, archeology and other things.

HALF LIFE- Time required for half atoms of a radioactive unclouded to decay.


A commonly used radioisotope is Uranium 238. This isotope has a half life of 4.5 billion years. After becoming stable Uranium 238 turns into Lead 206. By measuring and calculating both products scientists are able to better determine the age.