120 likes | 281 Views
Absolute dating. Earth Science Grade 8. Radioactive dating. Using the decay of radioactive elements to determine the absolute age of the rock. Half Life. Amount of time needed for one-half of the atoms of the element to decay. Lead 206. Nitrogen. Lead 206. Nitrogen. Lead 206.
E N D
Absolute dating Earth Science Grade 8
Radioactive dating • Using the decay of radioactive elements to determine the absolute age of the rock
Half Life • Amount of time needed for one-half of the atoms of the element to decay
Lead 206 Nitrogen
Lead 206 Nitrogen
Lead 206 Nitrogen
Lead 206 Nitrogen
Lead 206 Nitrogen
Lead 206 Nitrogen If one half life takes 10 years….. 10 years 20 years 30 years 50 years 40 years