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If you could watch a single atom of a radioactive isotope, U-238, for example, you wouldn’t be able to predict when that particular atom might decay.
It might take a millisecond, or it might take a century. But if you have a large enough sample, a pattern begins to emerge.
It takes a certain amount of time for half the atoms in a sample to decay.
This is a slide and worksheet for radioactive dating and half life activity.
It was found that certain fossils, now referred to as index fossils, were restricted to a narrow zone of strata.
This page contains links to guides to solving many of the the types of quantitative problems found in Chemistry 116.
Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.
Evolution is supported and endorsed by governments, the media, our major educational institutions and many big businesses.
One creationist editor, who is more mellow than his unfortunate statement suggests, phrased the argument thus: Unfortunately the geologists date the rocks as the paleontologists tell them to. That passage might have come out of one of Henry Morris' books, except that Morris usually avoids crude slander. Hovind is not aware of the fact that by 1815 the broad outlines of the geologic column from Paleozoic times onward had been worked out by people who were mostly geologists.