Compare radioactive dating to relative dating psi vamp dating
It is the difference between sand running out of an hour glass and determining what time it is by how much sand is left. If you can determine how much of that radioactive isotope ought to have been in a sample at the start and you can measure how much is left, you can tell how much time has passed.A radioactive isotope is an isotope whose nucleus tends to release particles, radiant energy, or both; Radioactive dating is a technique for determining the age of material by measuring the amount of a particular radioactive isotope the material contain.
Before absolute dating techniques were discovered, the age of a rock was a guesstimate at best.
Absolute dating of rock is achieved by radiometric dating techniques.
Relative dating is achieved by determining the position of rock in strata, and the appearance of certain index fossils.
Carbon dating has the peculiar property that it works primarily on dead things.
Other forms of radioactive dating are more broadly applicable.