Carbon dating exercises

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By the end of the 8th grade, students should know that all matter is made up of atoms, which are far too small to see directly through a microscope.

They should also understand that the atoms of any element are alike but are different from atoms of other elements.

The first lesson, Isotopes of Pennies, deals with isotopes and atomic mass.

The second lesson, Radioactive Decay: A Sweet Simulation of Half-life, introduces the idea of half-life.

Empty the graduated cylinders between classes if the volume is more than about 25 ml.

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