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Carbon dating

Estimate the age of a skeleton and discover exponential functions while investigating radioactive decay.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: Linda Tetlow

Fach:  Physik  MINT

Schlagwörter  Physik ,  Exponentiell ,  Funktionen ,  Differenzialgleichungen


This activity looks at radioactive decay and how it is used in particular for carbon-dating archaeological remains.

Using TI-Nspire can help to make this topic much more accessible to younger students. For example, they can use  ?Graph trace? to find useful information without needing to worry about the meaning of ?exponential? or interpreting the equation shown.

There are possibilities for extending the activity to look at more advanced mathematics such as the form of the exponential regression function and the theory behind exponential decay, including topics such as integration, exponential functions and logarithms.

Background scientific and theoretical information and is included in the teachers? notes.

This activity is one of seven in a booklet entitled Using Real World Data. This is part of a series of booklets presenting STEM Activities with TI-Nspire, published by Texas instruments in 2010.

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