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Graph of radiocarbon dating accuracy

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Finally, teachers may wish to do an in-class assessment by putting out a series of artifacts.

The teacher should attach a radioisotope name, half-life and decayed:undecayed ratio to each artifact.

A more interactive assessment could include having each student invent an isotope.

You may wish to bring in an artifact to show or a picture of the artifact you want your class to image to be.

Your students may be familiar with the Dead Sea Scrolls, a famous artifact dated using carbon-14 dating.

You could have 1 trial = 10,000 years, for example.

Then students can determine the half-life of the class carbon-14 in years. You may wish to repeat the class sampling again near the end of the hour to see what differences exist between the two smaplings.