$5.00 per person



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A safe and virtual look at radioactive materials and their half-lives using a Geiger tube, Strontium-90, and Barium-137.

Topics and Objectives:

  • Study the operation of the Geiger tube.
  • Investigate the Geiger tube’s response to changes in tube voltage.
  • Learn to measure background radiation.
  • Investigate the change in activity of a radioactive isotope over time.
  • To determine the half-life of an isotope graphically.


Preset Unknowns:

  • Half-lives of Strontium-90 and Barium-137.




Additional information

Expiration Date

1 year from purchase