Radiometric dating worksheet
Matter is made of minute particles called atoms, and atoms are composed of even smaller components.
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For each bag, count a specific number of "parent isotope" beads of one color and "daughter isotope" beads of another color.
Once you have a set of parent and daughter isotope beads in the bag, fill up the bag with a mixture of all the other colors.
Current methods include using the known decay rates of radioactive isotopes present in rocks to measure the time since the rock was formed.
Before class begins, prepare five bags filled with about 100 beads each.By dating rocks of known ages which give highly inflated ages, geologists have shown this method can’t give reliable absolute ages.