Home_Today.png Home_CurrentChapter.png

Geiger Counters

How do they work? How do you use them to collect accurate data?


Three types of salt will be tested for radioactivity:
  • Sodium Chloride (table salt)
  • Sodium Chloride, irradiated by gamma rays
  • Potassium Chloride (NoSalt brand salt substitute)

Investigation: Radiation From Salt

Refer to handout, ER1.


Refer to this page for guidance on analyzing data from a scientific investigation.

The accumulated data for the class can be found here.