Radiometric dating quiz questions

They used pottery and other materials in sites to date 'relatively'.

radiometric dating quiz questions-56radiometric dating quiz questions-47radiometric dating quiz questions-70radiometric dating quiz questions-54

Some of these atomic arrangements are stable, and some are not.In nature, the constant decay of radioactive isotopes records the march of years.Scientists can use the clocklike behavior of these isotopes to determine the age of rocks, fossils, and even some long-lived organisms.Some of the isotopes used for this purpose are uranium-238, uranium-235 and potassium-40, each of which has a half-life of more than a million years.Unfortunately, these elements don't exist in dinosaur fossils themselves.