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

=Salt= 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.

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

The accumulated data for the class can be found here.